clk: add PowerPC corenet clock driver support

This adds the clock driver for Freescale PowerPC corenet
series SoCs using common clock infrastructure.

Signed-off-by: Tang Yuantian <Yuantian.Tang@freescale.com>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index 0357ac4..30fc2b4 100644
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -81,6 +81,13 @@
 	  Support for the Analog Devices axi-clkgen pcore clock generator for Xilinx
 	  FPGAs. It is commonly used in Analog Devices' reference designs.
 
+config CLK_PPC_CORENET
+	bool "Clock driver for PowerPC corenet platforms"
+	depends on PPC_E500MC && OF
+	---help---
+	  This adds the clock driver support for Freescale PowerPC corenet
+	  platforms using common clock framework.
+
 endmenu
 
 source "drivers/clk/mvebu/Kconfig"