mt76: update to the latest version, fixes signal strength reporting

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 48234

package/kernel/mt76/Makefile

@@ -10,7 +10,7 @@ PKG_LICENSE_FILES:=
 PKG_SOURCE_URL:=https://github.com/openwrt/mt76
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE_VERSION:=05511ea5881a4fcc80d6123ce27e83f76e0412ca
+PKG_SOURCE_VERSION:=7b86ce8772033610482b81fb76d95b2011bd0f7e
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.xz
 
 PKG_MAINTAINER:=Felix Fietkau <nbd@openwrt.org>