MAINTAINERS: add Jeff as ath10k, ath11k and ath12k maintainer

Jeff will now start maintaining these drivers together with me.

Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: Kalle Valo

MAINTAINERS

@@ -17430,13 +17430,15 @@ F:	drivers/media/tuners/qt1010*
 
 QUALCOMM ATH12K WIRELESS DRIVER
 M:	Kalle Valo <[email protected]>
+M:	Jeff Johnson <[email protected]>
 L:	[email protected]
 S:	Supported
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
 F:	drivers/net/wireless/ath/ath12k/
 
 QUALCOMM ATHEROS ATH10K WIRELESS DRIVER
 M:	Kalle Valo <[email protected]>
+M:	Jeff Johnson <[email protected]>
 L:	[email protected]
 S:	Supported
 W:	https://wireless.wiki.kernel.org/en/users/Drivers/ath10k
@@ -17446,6 +17448,7 @@ F:	drivers/net/wireless/ath/ath10k/
 
 QUALCOMM ATHEROS ATH11K WIRELESS DRIVER
 M:	Kalle Valo <[email protected]>
+M:	Jeff Johnson <[email protected]>
 L:	[email protected]
 S:	Supported
 W:	https://wireless.wiki.kernel.org/en/users/Drivers/ath11k