[ARM] nommu: add arch/arm/Kconfig-nommu to Kconfig files

Include Kconfig-nommu when MMU is not selected.

(This is part of a patch from Hyok.)

Signed-off-by: Hyok S. Choi <hyok.choi@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 3d1a3fb..40943e1 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -339,6 +339,10 @@
 	depends on CPU_XSCALE && !XSCALE_PMU_TIMER
 	default y
 
+if !MMU
+source "arch/arm/Kconfig-nommu"
+endif
+
 endmenu
 
 source "arch/arm/common/Kconfig"