MXC: add basic MXC91231 support

Signed-off-by: Dmitriy Taychenachev <dimichxp@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/mach-mxc91231/Kconfig b/arch/arm/mach-mxc91231/Kconfig
new file mode 100644
index 0000000..8e5fa38
--- /dev/null
+++ b/arch/arm/mach-mxc91231/Kconfig
@@ -0,0 +1,11 @@
+if ARCH_MXC91231
+
+comment "MXC91231 platforms:"
+
+config MACH_MAGX_ZN5
+	bool "Support Motorola Zn5 GSM phone"
+	default n
+	help
+	  Include support for Motorola Zn5 GSM phone.
+
+endif