[nrf fromlist] zephyr: arch: arm: cortex_m: linker: Add missing XIP check

Adds a missing check for CONFIG_XIP to be set to use the mapped
partition information, this was wrongly missed from here when it
was added to the other linker files

Upstream PR #: 106058

Signed-off-by: Jamie McCrae <jamie.mccrae@nordicsemi.no>

Author: nordicjm

include/zephyr/arch/arm/cortex_m/scripts/linker.ld

@@ -73,7 +73,7 @@ _image_1_primary_slot_id = PM_S1_ID;
 #define ROM_END_OFFSET 0
 #endif
 
-#if defined(CONFIG_FLASH_USES_MAPPED_PARTITION)
+#if defined(CONFIG_FLASH_USES_MAPPED_PARTITION) && defined(CONFIG_XIP)
 #define ROM_ADDR (DT_REG_ADDR(DT_CHOSEN(zephyr_code_partition)))
 #define ROM_SIZE (DT_REG_SIZE(DT_CHOSEN(zephyr_code_partition)) - ROM_END_OFFSET)
 #else