sh: Drop r7780rp_defconfig, use r7780mp_defconfig as kbuild default.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index 21cc649..6546ccc 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -66,7 +66,7 @@
 defaultimage-$(CONFIG_SUPERH32)	:= zImage
 
 # Set some sensible Kbuild defaults
-KBUILD_DEFCONFIG	:= r7780rp_defconfig
+KBUILD_DEFCONFIG	:= r7780mp_defconfig
 KBUILD_IMAGE		:= $(defaultimage-y)
 
 #