MAINTAINERS: add DT bindings files for ath10k and ath11k

The DT bindings files were missing for ath10k and ath11k so add them now.
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220128135841.1926-4-kvalo@kernel.org

MAINTAINERS

@@ -15889,6 +15889,7 @@ S:	Supported
 W:	https://wireless.wiki.kernel.org/en/users/Drivers/ath10k
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
 F:	drivers/net/wireless/ath/ath10k/
+F:	Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
 
 QUALCOMM ATHEROS ATH11K WIRELESS DRIVER
 M:	Kalle Valo <kvalo@kernel.org>
@@ -15896,6 +15897,7 @@ L:	ath11k@lists.infradead.org
 S:	Supported
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
 F:	drivers/net/wireless/ath/ath11k/
+F:	Documentation/devicetree/bindings/net/wireless/qcom,ath11k.txt
 
 QUALCOMM ATHEROS ATH9K WIRELESS DRIVER
 M:	Toke Høiland-Jørgensen <toke@toke.dk>