msm: pm: Move pm.h back into "mach-msm" from "mach-msm/include/mach"

APIs in this header are no longer needed outside of mach-msm.
Move the header out of include/mach to discourage use of it
in device drivers.

Change-Id: Id87eab2c909d01e4146d79d62f9c61a80e66fd64
Signed-off-by: Matt Wagantall <mattw@codeaurora.org>
diff --git a/arch/arm/mach-msm/cpuidle.c b/arch/arm/mach-msm/cpuidle.c
index abaa925..cccba2d 100644
--- a/arch/arm/mach-msm/cpuidle.c
+++ b/arch/arm/mach-msm/cpuidle.c
@@ -17,7 +17,8 @@
 #include <linux/cpu_pm.h>
 
 #include <mach/cpuidle.h>
-#include <mach/pm.h>
+
+#include "pm.h"
 
 static DEFINE_PER_CPU_SHARED_ALIGNED(struct cpuidle_device, msm_cpuidle_devs);
 static struct cpuidle_driver msm_cpuidle_driver = {