ARM: msm: fix compilation flags for MSM_SCM (part 2)

eca55f4 (ARM: msm: fix compilation flags for MSM_SCM, 2011-11-08)
added the correct assembler directive for the first smc instance
but missed the second instance in scm_get_version(). Add it so we
can compile this file with newer binutils.

Cc: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>

arch/arm/mach-msm/scm.c

@@ -282,6 +282,9 @@ u32 scm_get_version(void)
 			__asmeq("%1", "r1")
 			__asmeq("%2", "r0")
 			__asmeq("%3", "r1")
+#ifdef REQUIRES_SEC
+			".arch_extension sec\n"
+#endif
 			"smc	#0	@ switch to secure world\n"
 			: "=r" (r0), "=r" (r1)
 			: "r" (r0), "r" (r1)