ARM: ux500: cpuidle: Remove pointless include

The db8500-regs.h file does not need to be included by the cpuidle
driver.
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NDaniel Lezcano <daniel.lezcano@linaro.org>

arch/arm/mach-ux500/cpuidle.c

@@ -21,8 +21,6 @@
 #include <asm/cpuidle.h>
 #include <asm/proc-fns.h>
 
-#include "db8500-regs.h"
-
 static atomic_t master = ATOMIC_INIT(0);
 static DEFINE_SPINLOCK(master_lock);