boards: mimxrt1170_evk: Update xmcd files path

The xmcd path in hal_nxp is changed, so need update
zephyr side CMakeLists to load correct files.

Signed-off-by: Zhaoxiang Jin <Zhaoxiang.Jin_1@nxp.com>

Author: ZhaoxiangJin

boards/nxp/mimxrt1170_evk/CMakeLists.txt

@@ -33,7 +33,7 @@ if(CONFIG_NXP_IMXRT_BOOT_HEADER)
     # This configuration block may need modification if another SDRAM chip
     # is used on your custom board.
     zephyr_compile_definitions(XIP_BOOT_HEADER_XMCD_ENABLE=1)
-    zephyr_library_sources(${RT1170_BOARD_DIR}/xmcd/xmcd.c)
+    zephyr_library_sources(${RT1170_BOARD_DIR}/xmcd.c)
   else()
     if(CONFIG_SRAM_BASE_ADDRESS EQUAL 0x80000000)
       message(WARNING "You are using SDRAM as RAM but no external memory"