Adding a link gets rid of the load error:
brcmfmac43436-sdio.raspberrypi,model-zero-2.txt -> brcmfmac43436-sdio.txt
Adding a link gets rid of the load error:
brcmfmac43436- sdio.raspberryp i,model- zero-2. txt -> brcmfmac43436- sdio.txt