riscv: dts: microchip: fix i2c1 pinctrl configuration on Icicle kit

The i2c1 pinctrl was incorrectly set to 'fabric'. The HSS firmware
for the Icicle Kit Reference Design uses 'mssio' as the default
configuration. Update the i2c1 pinctrl property to match the default
configuration.

Signed-off-by: Valentina Fernandez <valentina.fernandezalanis@microchip.com>

Author: vfalanis

arch/riscv/boot/dts/microchip/mpfs-icicle-kit-fabric.dtsi

@@ -176,7 +176,7 @@
 
 &i2c1 {
 	pinctrl-names = "default";
-	pinctrl-0 = <&i2c1_fabric>;
+	pinctrl-0 = <&i2c1_mssio>;
 };
 
 &mmuart1 {