package/owl-linux: use kernel-module helper

The owl-linux' Makefile is only calling the Linux buildsystem, so switch
do using the new kernel-module infra.

Get rid of first patch, no longer needed; rename remaining patch.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/owl-linux/0001-fix-CROSS_COMPILE-usage-in-Makefile.patch

@@ -1,16 +0,0 @@
-Fix the owl-linux Makefile so that it protects spaces in the CROSS_COMPILE
-variable. For example, this variable will contain spaces if ccache is used.
-
-Signed-off-by: Simon Dawson <spdawson@gmail.com>
-diff -Nurp a/Makefile b/Makefile
---- a/Makefile	2012-06-14 10:51:45.000000000 +0100
-+++ b/Makefile	2012-07-20 10:46:41.636752148 +0100
-@@ -35,7 +35,7 @@ else
- 	PWD := $(shell pwd)
- 
- default:
--	$(MAKE) -C $(KERNELDIR) ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) M=$(PWD) MODE=$(MODE) modules
-+	$(MAKE) -C $(KERNELDIR) ARCH=$(ARCH) CROSS_COMPILE="$(CROSS_COMPILE)" M=$(PWD) MODE=$(MODE) modules
- 
- clean: 
- 	-rm -f *.o *.mod.c *.ko modules.order Module.symvers

package/owl-linux/owl-linux.mk

@@ -10,14 +10,5 @@ OWL_LINUX_LICENSE = PROPRIETARY
 OWL_LINUX_LICENSE_FILES = LICENSE
 OWL_LINUX_REDISTRIBUTE = NO
 
-OWL_LINUX_DEPENDENCIES = linux
-
-define OWL_LINUX_BUILD_CMDS
-	$(MAKE) -C $(@D) $(LINUX_MAKE_FLAGS) KERNELDIR=$(LINUX_DIR)
-endef
-
-define OWL_LINUX_INSTALL_TARGET_CMDS
-	$(MAKE) -C $(LINUX_DIR) $(LINUX_MAKE_FLAGS) M="$(@D)" modules_install
-endef
-
+$(eval $(kernel-module))
 $(eval $(generic-package))