[mmotm][PATCH] Add #include <linux/irqflags.h> to acpi/processor_idle.c

[KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>]

Applied after: remove-linux-hardirqh-from-asm-generic-localh.patch

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Subject: [mmotm][PATCH] Add #include <linux/irqflags.h> to acpi/processor_idle.c

In past, processor_idle.c include irqflags.h indirectly via local.h.
But now, its inclusion was removed.

Then following build error happend.

	  CC [M]  drivers/acpi/processor_idle.o
	drivers/acpi/processor_idle.c: In function 'acpi_cstate_enter':
	drivers/acpi/processor_idle.c:275: error: implicit declaration of function 'stop_critical_timings'
	drivers/acpi/processor_idle.c:288: error: implicit declaration of function 'start_critical_timings'
	make[1]: *** [drivers/acpi/processor_idle.o] Error 1
	make: *** [drivers/acpi/processor_idle.o] Error 2


Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
CC: Russell King <rmk+kernel@arm.linux.org.uk>
CC: Steven Rostedt <rostedt@goodmis.org>
---
 drivers/acpi/processor_idle.c |    1 +
 1 file changed, 1 insertion(+)

Index: b/drivers/acpi/processor_idle.c
===================================================================
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -41,6 +41,7 @@
 #include <linux/pm_qos_params.h>
 #include <linux/clockchips.h>
 #include <linux/cpuidle.h>
+#include <linux/irqflags.h>
 
 /*
  * Include the apic definitions for x86 to have the APIC timer related defines