mt76: update to the latest version

a03ef0aab93e wifi: mt76: mt7921: fix deadlock in mt7921_abort_roc
5b509e80384a wifi: mt76: dma: fix a regression in adding rx buffers

Signed-off-by: Felix Fietkau <[email protected]>

package/kernel/mt76/Makefile

@@ -8,9 +8,9 @@ PKG_LICENSE_FILES:=
 
 PKG_SOURCE_URL:=https://github.com/openwrt/mt76
 PKG_SOURCE_PROTO:=git
-PKG_SOURCE_DATE:=2022-12-09
-PKG_SOURCE_VERSION:=7fae1de12ae7832a6095fd2df198f41fabd5223d
-PKG_MIRROR_HASH:=c2bf2f23265d5e181c275a62a64f487b190f19b43fc4c584b62b9e6c16e992ef
+PKG_SOURCE_DATE:=2022-12-22
+PKG_SOURCE_VERSION:=5b509e80384ab019ac11aa90c81ec0dbb5b0d7f2
+PKG_MIRROR_HASH:=6fc25df4d28becd010ff4971b23731c08b53e69381a9e4c868091899712f78a9
 
 PKG_MAINTAINER:=Felix Fietkau <[email protected]>
 PKG_USE_NINJA:=0