ARM: msm: Don't compile __msm_ioremap_caller() unless used

This function is only used on MSM7x00A so only compile the
function if the build includes support for that platform.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>

arch/arm/mach-msm/io.c

@@ -168,6 +168,7 @@ void __init msm_map_msm7x30_io(void)
 }
 #endif /* CONFIG_ARCH_MSM7X30 */
 
+#ifdef CONFIG_ARCH_MSM7X00A
 void __iomem *__msm_ioremap_caller(phys_addr_t phys_addr, size_t size,
 				   unsigned int mtype, void *caller)
 {
@@ -182,3 +183,4 @@ void __iomem *__msm_ioremap_caller(phys_addr_t phys_addr, size_t size,
 
 	return __arm_ioremap_caller(phys_addr, size, mtype, caller);
 }
+#endif