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 <nbd@nbd.name>

package/kernel/mt76/Makefile

@@ -1,16 +1,16 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=mt76
-PKG_RELEASE=7
+PKG_RELEASE=5
 
 PKG_LICENSE:=GPLv2
 PKG_LICENSE_FILES:=
 
 PKG_SOURCE_URL:=https://github.com/openwrt/mt76
 PKG_SOURCE_PROTO:=git
-PKG_SOURCE_DATE:=2022-12-10
-PKG_SOURCE_VERSION:=7fae1de12ae7832a6095fd2df198f41fabd5223d
-PKG_MIRROR_HASH:=c01388f8029b007efdfb4327ef54aa373a91bbbff423caaa2ab4ab22befb9635
+PKG_SOURCE_DATE:=2022-12-22
+PKG_SOURCE_VERSION:=5b509e80384ab019ac11aa90c81ec0dbb5b0d7f2
+PKG_MIRROR_HASH:=6fc25df4d28becd010ff4971b23731c08b53e69381a9e4c868091899712f78a9
 
 PKG_MAINTAINER:=Felix Fietkau <nbd@nbd.name>
 PKG_USE_NINJA:=0