Comment # 1 on bug 1178274 from Takashi Iwai

It's still missing in the upstream linux-firmware git tree.  Be patient for a
while :)

BTW, I didn't backport the support of ath11k for Leap 15.3 / SLE15-SP3 while
most of other WiFi are updated to 5.9.  If you're interested, it's still OK to
backport those stuff.