ARM: msm: Move core.h contents into common.h

No real need to have a separate core.h from the common.h file.  Fold
these two prototypes into the common header file.

Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm/mach-msm/hotplug.c

@@ -13,7 +13,7 @@
 #include <asm/cacheflush.h>
 #include <asm/smp_plat.h>
 
-#include "core.h"
+#include "common.h"
 
 static inline void cpu_enter_lowpower(void)
 {