ARM: msm: Remove MSM_SCM

Commit 8fc1b0f8 ("ARM: qcom: Split Qualcomm support into legacy and
multiplatform") removed all users of Kconfig symbol MSM_SCM. Remove that
symbol too.
Signed-off-by: NPaul Bolle <pebolle@tiscali.nl>
Reviewed-by: NStephen Boyd <sboyd@codeaurora.org>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>

arch/arm/mach-msm/Kconfig

@@ -150,9 +150,6 @@ config MSM_GPIOMUX
 	help
 	  Support for MSM V1 TLMM GPIOMUX architecture.
 
-config MSM_SCM
-	bool
-
 config MSM_TIMER
 	bool