mt76: update to the latest version

bb3937d5c3e0 wifi: mt76: mt7915: remove VHT160 capability on MT7915

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:=2023-07-04
-PKG_SOURCE_VERSION:=f704e4f83c6fd21fb39046fa328efb51bee6383b
-PKG_MIRROR_HASH:=651d2963a0d624943601dcad971e4942401274af81d39913c6d3d91be2f8d8b1
+PKG_SOURCE_DATE:=2023-07-14
+PKG_SOURCE_VERSION:=bb3937d5c3e0b13c0d08747ec0fc9726fb4fd870
+PKG_MIRROR_HASH:=498d9cfdafe06572d0668d49e89f1014715100fa59c4f89b8495cd869c8c9b0b
 
 PKG_MAINTAINER:=Felix Fietkau <[email protected]>
 PKG_USE_NINJA:=0