ARM: zynq: Add cpuidle support

Add cpuidle support for Xilinx Zynq.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index f35a259..796aa0f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1309,6 +1309,7 @@
 T:	git git://git.xilinx.com/linux-xlnx.git
 S:	Supported
 F:	arch/arm/mach-zynq/
+F:	drivers/cpuidle/cpuidle-zynq.c
 
 ARM64 PORT (AARCH64 ARCHITECTURE)
 M:	Catalin Marinas <catalin.marinas@arm.com>