mt76: update to the latest version

d70546462b7b mt76: fix 5 GHz connection regression on mt76x0/mt76x2

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:=2022-08-26
-PKG_SOURCE_VERSION:=5ec78e1ec43d1e39edfea1efb9fd4541fa004af0
-PKG_MIRROR_HASH:=b96ec5199d423dc27e4fe7f0e94c8d5970f6db812237816235f3b735a5cb216a
+PKG_SOURCE_DATE:=2022-09-06
+PKG_SOURCE_VERSION:=d70546462b7b51ebc2bcdd5c534fdf3465be62a4
+PKG_MIRROR_HASH:=3d6b68d70a78c0072ed10ab2548344b6b3a70ad99e4edc258fafa16886f4abf9
 
 PKG_MAINTAINER:=Felix Fietkau <[email protected]>
 PKG_USE_NINJA:=0