I just applied both patches, the Xhci Error message actually went away BUT the device still didn't work.

Logs after unplugging & plugging in the device with the patches:
[   72.648791] usb 1-4: USB disconnect, device number 3
[   72.650675] ieee80211 phy0: rt2x00usb_vendor_request: Error - Vendor Request 0x07 failed for offset 0x101c with error -19
[   72.753779] wlan0: deauthenticating from cc:ce:1e:99:77:ed by local choice (Reason: 3=DEAUTH_LEAVING)
[   72.781608] audit: type=1130 audit(1586883567.129:93): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[   72.793722] audit: type=1130 audit(1586883567.139:94): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-rfkill comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[   73.317939] audit: type=1131 audit(1586883567.665:95): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=geoclue comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[   77.799300] audit: type=1131 audit(1586883572.149:96): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-rfkill comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[   80.933744] usb 1-4: new high-speed USB device number 6 using xhci_hcd
[   80.988187] usb 1-4: New USB device found, idVendor=148f, idProduct=5370, bcdDevice= 1.01
[   80.988190] usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   80.988191] usb 1-4: Product: 802.11 n WLAN
[   80.988192] usb 1-4: Manufacturer: Ralink
[   80.988193] usb 1-4: SerialNumber: 1.0
[   81.131897] usb 1-4: reset high-speed USB device number 6 using xhci_hcd
[   81.174210] ieee80211 phy1: rt2x00_set_rt: Info - RT chipset 5390, rev 0502 detected
[   81.852225] ieee80211 phy1: rt2x00_set_rf: Info - RF chipset 5370 detected
[   81.858386] ieee80211 phy1: Selected rate control algorithm 'minstrel_ht'
[   81.920689] ieee80211 phy1: rt2x00lib_request_firmware: Info - Loading firmware file 'rt2870.bin'
[   81.920711] ieee80211 phy1: rt2x00lib_request_firmware: Info - Firmware detected - version: 0.36

Compared to the output without patches:
[   67.093338] usb 1-4: USB disconnect, device number 3
[   67.093964] xhci_hcd 0000:15:00.0: WARN Set TR Deq Ptr cmd failed due to incorrect slot or ep state.
[   67.096166] ieee80211 phy0: rt2x00usb_vendor_request: Error - Vendor Request 0x06 failed for offset 0x101c with error -19
[   67.168604] wlan0: deauthenticating from cc:ce:1e:99:77:ed by local choice (Reason: 3=DEAUTH_LEAVING)
[   67.179973] audit: type=1130 audit(1586883250.510:93): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[   67.231226] audit: type=1130 audit(1586883250.560:94): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-rfkill comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[   72.236839] audit: type=1131 audit(1586883255.570:95): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-rfkill comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[   73.323295] audit: type=1131 audit(1586883256.653:96): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=geoclue comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[   77.327072] audit: type=1131 audit(1586883260.660:97): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=NetworkManager-dispatcher comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[   77.865232] usb 1-4: new high-speed USB device number 6 using xhci_hcd
[   77.919826] usb 1-4: New USB device found, idVendor=148f, idProduct=5370, bcdDevice= 1.01
[   77.919830] usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   77.919832] usb 1-4: Product: 802.11 n WLAN
[   77.919833] usb 1-4: Manufacturer: Ralink
[   77.919835] usb 1-4: SerialNumber: 1.0
[   78.063383] usb 1-4: reset high-speed USB device number 6 using xhci_hcd
[   78.105846] ieee80211 phy1: rt2x00_set_rt: Info - RT chipset 5390, rev 0502 detected
[   78.783888] ieee80211 phy1: rt2x00_set_rf: Info - RF chipset 5370 detected
[   78.790016] ieee80211 phy1: Selected rate control algorithm 'minstrel_ht'
[   78.874273] ieee80211 phy1: rt2x00lib_request_firmware: Info - Loading firmware file 'rt2870.bin'
[   78.874299] ieee80211 phy1: rt2x00lib_request_firmware: Info - Firmware detected - version: 0.36

ID 148f:5370 Ralink Technology, Corp. RT5370 Wireless Adapter