gryphon-led-module: clean up package Makefile

Use a more modern approach for building kernel modules
out-of-tree. Remove a lot of unused stuff.

gryphon-led-module/Makefile

@@ -18,7 +18,8 @@ include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/kernel.mk
 
 PKG_NAME:=gryphon-led-kernel-module
-PKG_RELEASE:=1
+PKG_VERSION:=1.0.0
+PKG_LICENSE:=GPL-2.0
 
 include $(INCLUDE_DIR)/package.mk
 
@@ -26,40 +27,18 @@ define KernelPackage/$(PKG_NAME)
   SUBMENU:=LED modules
   TITLE:=LED driver for Gryphon
   FILES:=$(PKG_BUILD_DIR)/$(PKG_NAME).$(LINUX_KMOD_SUFFIX)
-  KCONFIG:=CONFIG_PACKAGE_kmod-gryphon-led-kernel-module=y
   AUTOLOAD:=$(call AutoLoad,60,$(PKG_NAME))
-  PKG_LICENSE:=GPLv2
-  PKG_LICENSE_URL:=
 endef
 
 define KernelPackage/$(PKG_NAME)/description
   This package contains the LED driver for Gryphon devices.
 endef
 
-EXTRA_KCONFIG:= CONFIG_RGB_LED=m
-
-MODULE_INCLUDE=-I$(PKG_BUILD_DIR)
-
 # support compilation against BCM SDK kernel
 -include ../../broadcom/bcmkernel/bcm-kernel-toolchain.mk
 
-define Build/Prepare
-	mkdir -p $(PKG_BUILD_DIR)/kdevlinks/
-	$(CP) -s `pwd`/src/* $(PKG_BUILD_DIR)/kdevlinks/
-	$(CP) src/* $(PKG_BUILD_DIR)
-endef
-
 define Build/Compile
-	$(MAKE) -C "$(LINUX_DIR)" \
-		CROSS_COMPILE="$(TARGET_CROSS)" \
-		ARCH="$(LINUX_KARCH)" \
-		SUBDIRS="$(PKG_BUILD_DIR)" \
-		EXTRA_CFLAGS="-DKERNEL_MODULE $(BUILDFLAGS) -I$(LINUX_DIR)/include -include generated/autoconf.h $(MODULE_INCLUDE)" \
-		modules
-endef
-
-define Build/InstallDev
-	$(INSTALL_DIR) $(1)/usr/include
+	$(KERNEL_MAKE) M="$(PKG_BUILD_DIR)" modules
 endef
 
 $(eval $(call KernelPackage,$(PKG_NAME)))