m68k: Add install target

This patch enables the use of "make install" on m68k architecture
to copy kernel to /boot.

Signed-off-by: Laurent Vivier <Laurent@lvivier.info>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
diff --git a/arch/m68k/Makefile b/arch/m68k/Makefile
index 8133dbc..570d85c 100644
--- a/arch/m68k/Makefile
+++ b/arch/m68k/Makefile
@@ -117,3 +117,6 @@
 
 archclean:
 	rm -f vmlinux.gz vmlinux.bz2
+
+install:
+	sh $(srctree)/arch/m68k/install.sh $(KERNELRELEASE) vmlinux.gz System.map "$(INSTALL_PATH)"