arm64: zynqmp: Rename i2c?-gpio to i2c?-gpio-grp

Anything ending with gpio/gpios is taken as gpio phande/description which
is reported as the issue coming from gpio-consumer.yaml schema.
That's why rename the gpio suffix to gpio-grp to avoid name collision.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/407b0b67ba019be5a2073d09d578b381c639cbc6.1703002605.git.michal.simek@amd.com
diff --git a/arch/arm/dts/zynqmp-vp-x-a2785-00-revA.dts b/arch/arm/dts/zynqmp-vp-x-a2785-00-revA.dts
index 9ab8f5b..088545c 100644
--- a/arch/arm/dts/zynqmp-vp-x-a2785-00-revA.dts
+++ b/arch/arm/dts/zynqmp-vp-x-a2785-00-revA.dts
@@ -400,7 +400,7 @@
 		};
 	};
 
-	pinctrl_i2c0_gpio: i2c0-gpio {
+	pinctrl_i2c0_gpio: i2c0-gpio-grp {
 		mux {
 			groups = "gpio0_34_grp", "gpio0_35_grp";
 			function = "gpio0";
@@ -427,7 +427,7 @@
 		};
 	};
 
-	pinctrl_i2c1_gpio: i2c1-gpio {
+	pinctrl_i2c1_gpio: i2c1-gpio-grp {
 		mux {
 			groups = "gpio0_36_grp", "gpio0_37_grp";
 			function = "gpio0";