arm: kconfig: enable SMP for MSM targets

This just adds ARCH_MSM_SCORPIONMP to allow SMP selection for
MSM. MSM is unique in that it doesn't enable SCU or TWD.

Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig
index dbbcfeb..31e5fd6 100644
--- a/arch/arm/mach-msm/Kconfig
+++ b/arch/arm/mach-msm/Kconfig
@@ -49,6 +49,8 @@
 
 config MSM_SOC_REV_A
 	bool
+config  ARCH_MSM_SCORPIONMP
+	bool
 
 config  ARCH_MSM_ARM11
 	bool