modules: update OpenWrt

bc7abe8729f3 include/kernel-build.mk: fix kernel rebuild on backport patch changes
c99c70e05303 kernel: backport page fragment API changes from 4.10+ to 4.9

modules

@@ -2,7 +2,7 @@ GLUON_FEEDS='packages routing luci gluon'
 
 OPENWRT_REPO=https://git.openwrt.org/openwrt/openwrt.git
 OPENWRT_BRANCH=openwrt-18.06
-OPENWRT_COMMIT=3e81365141e4626522c616e7870d246594eff26d
+OPENWRT_COMMIT=bc7abe8729f3ff611dec597ae2831aefdc748567
 
 PACKAGES_PACKAGES_REPO=https://github.com/openwrt/packages.git
 PACKAGES_PACKAGES_BRANCH=openwrt-18.06

patches/openwrt/0008-mt76-depend-on-kernel-4.14.patch

-From: Matthias Schiffer <mschiffer@universe-factory.net>
-Date: Sat, 14 Jul 2018 01:17:16 +0200
-Subject: mt76: depend on kernel 4.14
-
-Do not break the build on kernel 4.9.
-
-Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
-
-diff --git a/package/kernel/mt76/Makefile b/package/kernel/mt76/Makefile
-index 2906849cf1e43424daa090026123737452dd1a61..e53dcb21515495181959ad1f19cd4d21a4e97e07 100644
---- a/package/kernel/mt76/Makefile
-+++ b/package/kernel/mt76/Makefile
-@@ -23,7 +23,7 @@ include $(INCLUDE_DIR)/package.mk
- define KernelPackage/mt76-default
-   SUBMENU:=Wireless Drivers
-   DEPENDS:= \
--	+kmod-mac80211 @PCI_SUPPORT @!LINUX_3_18 \
-+	+kmod-mac80211 @PCI_SUPPORT @LINUX_4_14 \
- 	+@DRIVER_11AC_SUPPORT +@DRIVER_11N_SUPPORT +@DRIVER_11W_SUPPORT
- endef
-