microblaze: Wire up defconfig to mmu_defconfig
Without this, "make defconfig" fails with
*** Can't find default configuration "arch/microblaze/defconfig"!
All other architectures either set KBUILD_DEFCONFIG, or provide
arch/*/defconfig.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile
index 40350a3..a69eaf2 100644
--- a/arch/microblaze/Makefile
+++ b/arch/microblaze/Makefile
@@ -1,3 +1,5 @@
+KBUILD_DEFCONFIG := mmu_defconfig
+
ifeq ($(CONFIG_MMU),y)
UTS_SYSNAME = -DUTS_SYSNAME=\"Linux\"
else