dts: lemans-evk-u-boot: add override dtsi

Add initial support for the lemans EVK platform based on lemans SoC.
Define memory layout statically.

Signed-off-by: Aswin Murugan <aswin.murugan@oss.qualcomm.com>
Signed-off-by: Sumit Garg <sumit.garg@oss.qualcomm.com>
Link: https://patch.msgid.link/20260424104237.968195-1-sumit.garg@kernel.org
Signed-off-by: Casey Connolly <casey.connolly@linaro.org>

arch/arm/dts/lemans-evk-u-boot.dtsi

@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2026, Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+/ {
+	/* Will be removed when bootloader updates later */
+	memory@80000000 {
+		device_type = "memory";
+		reg = <0x0 0x80000000 0x0 0x3ee00000>,
+		      <0x0 0xc0000000 0x0 0x0fd00000>,
+		      <0xD 0x00000000 0x2 0x54100000>,
+		      <0xA 0x80000000 0x1 0x80000000>,
+		      <0x9 0x00000000 0x1 0x80000000>,
+		      <0x1 0x00000000 0x3 0x00000000>,
+		      <0x0 0xd0000000 0x0 0x01900000>,
+		      <0x0 0xd3500000 0x0 0x2cb00000>;
+	};
+};