soc: renesas: ra: Remove .code_in_ram section for Renesas RA SoC

Since the `.code_in_ram` section is not being used,
we would like to remove it.

Signed-off-by: Khoa Nguyen <khoa.nguyen.xh@renesas.com>

Author: khoa-nguyen-18

soc/renesas/ra/ra2a1/CMakeLists.txt

@@ -1,4 +1,5 @@
 # Copyright (c) 2024 TOKITA Hiroshi
+# Copyright (c) 2025 Renesas Electronics Corporation
 # SPDX-License-Identifier: Apache-2.0
 
 zephyr_include_directories(.)
@@ -8,7 +9,6 @@ zephyr_sources(
 )
 
 zephyr_linker_sources(SECTIONS sections.ld)
-zephyr_linker_sources(DATA_SECTIONS data_sections.ld)
 zephyr_linker_sources(RAM_SECTIONS ram_sections.ld)
 zephyr_linker_sources(ROM_START rom_start.ld)
 

soc/renesas/ra/ra2a1/data_sections.ld

@@ -1,12 +1,12 @@
 # Copyright (c) 2023 TOKITA Hiroshi <tokita.hiroshi@fujitsu.com>
+# Copyright (c) 2025 Renesas Electronics Corporation
 # SPDX-License-Identifier: Apache-2.0
 
 zephyr_include_directories(.)
 
 zephyr_library_sources(soc.c)
 
 zephyr_linker_sources(SECTIONS sections.ld)
-zephyr_linker_sources(DATA_SECTIONS data_sections.ld)
 zephyr_linker_sources(RAM_SECTIONS ram_sections.ld)
 zephyr_linker_sources(ROM_START rom_start.ld)
 

soc/renesas/ra/ra4m1/CMakeLists.txt

@@ -4,14 +4,6 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-.code_in_ram :
-{
-	. = ALIGN(4);
-	__Code_In_RAM_Start = .;
-	KEEP(*(.code_in_ram*))
-	__Code_In_RAM_End = .;
-} > RAMABLE_REGION
-
 SECTION_DATA_PROLOGUE(.fsp_dtc_vector_table,(NOLOAD),)
 {
 	/* If DTC is used, put the DTC vector table at the start of SRAM.