ARM: dts: rmobile: Reinstate missing CPLD on ULCB

The CPLD is used to reset the ULCB and it was removed
during DT sync with Linux 4.17. Reinstate it.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

arch/arm/dts/ulcb.dtsi

@@ -24,6 +24,15 @@
 		stdout-path = "serial0:115200n8";
 	};
 
+	cpld {
+		compatible = "renesas,ulcb-cpld";
+		status = "okay";
+		gpio-sck = <&gpio6 8 0>;
+		gpio-mosi = <&gpio6 7 0>;
+		gpio-miso = <&gpio6 10 0>;
+		gpio-sstbz = <&gpio2 3 0>;
+	};
+
 	audio_clkout: audio-clkout {
 		/*
 		 * This is same as <&rcar_sound 0>