ARM: at91: cpuidle: Move driver to drivers/cpuidle

As the cpuidle driver code has no more the dependency with the pm code, the
'standby' callback being passed as a parameter to the device's platform data,
we can move the cpuidle driver in the drivers/cpuidle directory.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>

Conflicts:

	drivers/cpuidle/Kconfig.arm
	drivers/cpuidle/Makefile
diff --git a/drivers/cpuidle/Makefile b/drivers/cpuidle/Makefile
index d08bd40..527be28 100644
--- a/drivers/cpuidle/Makefile
+++ b/drivers/cpuidle/Makefile
@@ -12,3 +12,4 @@
 obj-$(CONFIG_ARM_KIRKWOOD_CPUIDLE)	+= cpuidle-kirkwood.o
 obj-$(CONFIG_ARM_ZYNQ_CPUIDLE)		+= cpuidle-zynq.o
 obj-$(CONFIG_ARM_U8500_CPUIDLE)         += cpuidle-ux500.o
+obj-$(CONFIG_ARM_AT91_CPUIDLE)          += cpuidle-at91.o