nxp: imx7d: add .ressource_table definitions

Add RPMSG/OpenAMP ressource table definition for the
IMX7d SOC.

Signed-off-by: Jérémy LOCHE - MAKEEN Energy <jlh@makeenenergy.com>

soc/nxp/imx/imx7d/CMakeLists.txt

@@ -9,6 +9,9 @@ zephyr_sources(
   soc_clk_freq.c
   )
 
-zephyr_include_directories(.)
+if(CONFIG_OPENAMP_RSC_TABLE)
+  zephyr_linker_section(NAME .resource_table GROUP ROM_REGION NOINPUT)
+  zephyr_linker_section_configure(SECTION .resource_table KEEP INPUT ".resource_table*")
+endif()
 
-set(SOC_LINKER_SCRIPT ${ZEPHYR_BASE}/include/zephyr/arch/arm/cortex_m/scripts/linker.ld CACHE INTERNAL "")
+set(SOC_LINKER_SCRIPT ${CMAKE_CURRENT_SOURCE_DIR}/linker.ld CACHE INTERNAL "")

soc/nxp/imx/imx7d/linker.ld

@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2024, MAKEEN Energy A/S
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/arch/arm/cortex_m/scripts/linker.ld>
+
+SECTIONS
+{
+#ifdef CONFIG_OPENAMP_RSC_TABLE
+     SECTION_PROLOGUE(.resource_table,, SUBALIGN(4))
+     {
+          KEEP(*(.resource_table*))
+     } GROUP_LINK_IN(ROMABLE_REGION)
+#endif
+}