feat(rd1ae): add Generic Timer in device tree

Add a node for AP_REFCLK Non-Secure Generic Timer in device tree, which
acts as a system timer to fix the failure of SystemReady IR ACS BSA
test case 402.

Refer to https://github.com/ARM-software/bsa-acs/blob/v23.09_REL1.0.6\
/docs/arm_bsa_testcase_checklist.rst?plain=1#L115
for more information.

Signed-off-by: Ziad Elhanafy <ziad.elhanafy@arm.com>
Signed-off-by: David Hu <david.hu2@arm.com>
Change-Id: I3e63a5ecfd8c6211f917ca3844b8b7bda208d83a
diff --git a/fdts/rd1ae.dts b/fdts/rd1ae.dts
index 3060b5a..6e821ae 100644
--- a/fdts/rd1ae.dts
+++ b/fdts/rd1ae.dts
@@ -255,6 +255,21 @@
 		#size-cells = <2>;
 		ranges;
 
+		timer@2a810000 {
+			compatible = "arm,armv7-timer-mem";
+			reg = <0x0 0x2a810000 0 0x10000>;
+			#address-cells = <2>;
+			#size-cells = <2>;
+			clock-frequency = <250000000>;
+			ranges;
+
+			frame@2a830000 {
+				frame-number = <0>;
+				interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
+				reg = <0x0 0x2a830000 0x0 0x10000>;
+			};
+		};
+
 		gic: interrupt-controller@30000000 {
 			compatible = "arm,gic-v3";
 			reg = <0x0 0x30000000 0 0x10000>,	// GICD