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/pm-8x60.c b/arch/arm/mach-msm/pm-8x60.c
index 9bdc2b3..b3c6d1e 100644
--- a/arch/arm/mach-msm/pm-8x60.c
+++ b/arch/arm/mach-msm/pm-8x60.c
@@ -44,7 +44,7 @@
 #include "avs.h"
 #include <mach/cpuidle.h>
 #include "idle.h"
-#include <mach/pm.h>
+#include "pm.h"
 #include "rpm_resources.h"
 #include "scm-boot.h"
 #include "spm.h"