fix(baremetal): single linker script for ACS firmware

  - replace per-suite BM linker scripts with shared acs_bm_image.ld.S

Signed-off-by: Sahil Shakil Malpekar <Sahil.ShakilMalpekar@arm.com>
Change-Id: I19d6ea1164bee5b8ad3eaa14c0783a3e6a15d887

Author: Sahil-Malpekar

tools/cmake/infra/pc_bsa_image.ld.S tools/cmake/infra/acs_bm_image.ld.Stools/cmake/infra/pc_bsa_image.ld.S renamed to tools/cmake/infra/acs_bm_image.ld.S

@@ -1,7 +1,7 @@
 /** @file
  * Copyright (c) 2026, Arm Limited or its affiliates. All rights reserved.
  * SPDX-License-Identifier : Apache-2.0
-
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -17,6 +17,9 @@
 
 #include "acs.h"
 
+/*
+ * Shared bare-metal ACS image layout used by all firmware payloads.
+ */
 IMAGE_BASE = PLATFORM_HOST_IMAGE_BASE;
 OUTPUT_FORMAT(elf64-littleaarch64)
 OUTPUT_ARCH(aarch64)

tools/cmake/infra/bsa_image.ld.S

@@ -36,7 +36,7 @@ set(GNUARM_OBJDUMP_FLAGS    "-dSx")
 set(GNUARM_OBJCOPY_FLAGS    "-Obinary")
 
 function (create_executable EXE_NAME OUTPUT_DIR TEST)
-	set(SCATTER_INPUT_FILE "${ROOT_DIR}/tools/cmake/infra/${EXE_NAME}_image.ld.S")
+	set(SCATTER_INPUT_FILE "${ROOT_DIR}/tools/cmake/infra/acs_bm_image.ld.S")
     set(SCATTER_OUTPUT_FILE "${OUTPUT_DIR}/${EXE_NAME}_image.ld")
 
     add_custom_command(OUTPUT CPP-LD--${EXE_NAME}${TEST}