ARM: shmobile: henninger: Enable PCIe Controller & PCIe bus clock

Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7791-henninger.dts

@@ -230,3 +230,11 @@ pmic@0 {
 		spi-cpha;
 	};
 };
+
+&pcie_bus_clk {
+	status = "okay";
+};
+
+&pciec {
+	status = "okay";
+};