Installing on Netgear R8000P

It looks like the R7900P has different wifi chips
The R7900P uses BCM4365E, the R7900 uses BCM43602

According to @slh in this thread:
https://forum.openwrt.org/t/adding-openwrt-support-for-linksys-ea9300/45787


BCM4365E should be covered by brcmfmac