arm64: dts: meson-axg-s400: enable PCIe M.2 Key E slots

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20201120153229.3920123-5-narmstrong@baylibre.com

arch/arm64/boot/dts/amlogic/meson-axg-s400.dts

@@ -441,6 +441,16 @@
 	status = "okay";
 };
 
+&pcieA {
+	reset-gpios = <&gpio GPIOX_19 GPIO_ACTIVE_LOW>;
+	status = "okay";
+};
+
+&pcieB {
+	reset-gpios = <&gpio GPIOZ_10 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>;
+	status = "okay";
+};
+
 &pwm_ab {
 	status = "okay";
 	pinctrl-0 = <&pwm_a_x20_pins>;