mac80211: use KERNEL_MAKEOPTS

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

package/kernel/mac80211/Makefile

@@ -1659,8 +1659,7 @@ config-y += RTL8XXXU_UNTESTED
 config-$(CONFIG_LEDS_TRIGGERS) += MAC80211_LEDS B43_LEDS B43LEGACY_LEDS
 
 MAKE_OPTS:= -C "$(PKG_BUILD_DIR)" \
-	CROSS_COMPILE="$(KERNEL_CROSS)" \
-	ARCH="$(LINUX_KARCH)" \
+	$(KERNEL_MAKE_FLAGS) \
 	EXTRA_CFLAGS="-I$(PKG_BUILD_DIR)/include $(IREMAP_CFLAGS)" \
 	KLIB_BUILD="$(LINUX_DIR)" \
 	MODPROBE=true \
@@ -1668,10 +1667,6 @@ MAKE_OPTS:= -C "$(PKG_BUILD_DIR)" \
 	KERNEL_SUBLEVEL=$(lastword $(subst ., ,$(KERNEL_PATCHVER))) \
 	KBUILD_LDFLAGS_MODULE_PREREQ=
 
-ifneq ($(findstring c,$(OPENWRT_VERBOSE)),)
-  MAKE_OPTS += V=1
-endif
-
 define ConfigVars
 $(subst $(space),,$(foreach opt,$(config-$(1)),CPTCFG_$(opt)=$(1)
 ))

package/kernel/mac80211/patches/012-kernel_build_check.patch

@@ -0,0 +1,11 @@
+--- a/Makefile
++++ b/Makefile
+@@ -2,7 +2,7 @@
+ # Makefile for the output source package
+ #
+ 
+-ifeq ($(KERNELRELEASE),)
++ifeq ($(KERNELVERSION),)
+ 
+ MAKEFLAGS += --no-print-directory
+ SHELL := /usr/bin/env bash