msm: select ARCH_ENABLE_MEMORY_HOTPLUG/REMOVE

Several MSM SOCs select MIGRATION.  Have them also select the
arch-specific feature in order to avoid Kbuild warnings.

Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig
index 0078ebc..204aa5d 100644
--- a/arch/arm/mach-msm/Kconfig
+++ b/arch/arm/mach-msm/Kconfig
@@ -41,6 +41,8 @@
 	select ARCH_HAS_HOLES_MEMORYMODEL
 	select MEMORY_HOTPLUG
 	select MEMORY_HOTREMOVE
+	select ARCH_ENABLE_MEMORY_HOTPLUG
+	select ARCH_ENABLE_MEMORY_HOTREMOVE
 	select MIGRATION
 	select ARCH_MEMORY_PROBE
 	select ARCH_MEMORY_REMOVE
@@ -143,6 +145,8 @@
 	select ARCH_HAS_HOLES_MEMORYMODEL
 	select MEMORY_HOTPLUG
 	select MEMORY_HOTREMOVE
+	select ARCH_ENABLE_MEMORY_HOTPLUG
+	select ARCH_ENABLE_MEMORY_HOTREMOVE
 	select MIGRATION
 	select ARCH_MEMORY_PROBE
 	select ARCH_MEMORY_REMOVE
@@ -174,6 +178,8 @@
 	select ARCH_HAS_HOLES_MEMORYMODEL
 	select MEMORY_HOTPLUG
 	select MEMORY_HOTREMOVE
+	select ARCH_ENABLE_MEMORY_HOTPLUG
+	select ARCH_ENABLE_MEMORY_HOTREMOVE
 	select MIGRATION
 	select ARCH_MEMORY_PROBE
 	select ARCH_MEMORY_REMOVE