mvebu: pinctrl: sync compatible string with Linux 4.17-rc4

For pinctrl driver of mvebu, the compatible strings
supported are defined differently from Linux version.
The patch aligned the compatible string with
Linux 4.17-rc4.

Signed-off-by: Evan Wang <xswang@marvell.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/arch/arm/dts/armada-cp110-slave.dtsi b/arch/arm/dts/armada-cp110-slave.dtsi
index 0cdb3d3..2ea9004 100644
--- a/arch/arm/dts/armada-cp110-slave.dtsi
+++ b/arch/arm/dts/armada-cp110-slave.dtsi
@@ -120,7 +120,7 @@
 
 			cps_pinctl: cps-pinctl@440000 {
 				compatible = "marvell,mvebu-pinctrl",
-					     "marvell,a80x0-cp1-pinctrl";
+					     "marvell,armada-8k-cps-pinctrl";
 				bank-name ="cp1-110";
 				reg = <0x440000 0x20>;
 				pin-count = <63>;