[ARM] pxa: removed mostly unused and confusing two sharpsl.h

Only a small part of used code is moved into sharpsl_pm.h.

Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

arch/arm/mach-pxa/spitz_pm.c

@@ -22,11 +22,10 @@
 #include <asm/mach-types.h>
 #include <mach/hardware.h>
 
-#include <mach/sharpsl.h>
 #include <mach/spitz.h>
 #include <mach/pxa27x.h>
+#include <mach/sharpsl_pm.h>
 
-#include "sharpsl.h"
 #include "generic.h"
 
 #define SHARPSL_CHARGE_ON_VOLT         0x99  /* 2.9V */