The firware md5sum check never worked due to missing dollar signs.
Also suppress
`md5sum: can't open '/lib/firmware/ath10k/QCA988X/hw2.0/firmware-3.bin'`
error on any board not using ath10k.
Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>
SVN-Revision: 44486
It moves firmware patch code behind an extra check on board_name.
Otherwise it will calculate firmware checksum for unaffected boards.
It also reduce boottime by a md5 calculation and removes error message
on boot if firmware not found.
SVN-Revision: 43679
