Impact: The rt2800 drivers expect firmware for RT307x chipsets to be found in rt2870.bin. This is not the case in natty's linux-firmware package, and thus the driver fails to load firmware for RT307x chipsets.
Fix: Update rt2800 firmware. This is a clean upstream cherry pick.
Natty SRU Justification:
Impact: The rt2800 drivers expect firmware for RT307x chipsets to be found in rt2870.bin. This is not the case in natty's linux-firmware package, and thus the driver fails to load firmware for RT307x chipsets.
Fix: Update rt2800 firmware. This is a clean upstream cherry pick.
Testcase: Tested on LP #762987 and #770232.