arch: arm: cortex-m: Move irq_relay.S to the cortex-m directory

'irq_relay.S' is only used for Arm Cortex-M architecture, so it's better
to place it to the 'arch/arm/core/cortex_m' directory.

Signed-off-by: Huifeng Zhang <[email protected]>

Author: SgrrZhf

arch/arm/core/CMakeLists.txt

@@ -17,7 +17,6 @@ zephyr_library_sources(
 zephyr_library_sources_ifdef(CONFIG_GEN_SW_ISR_TABLE isr_wrapper.S)
 zephyr_library_sources_ifdef(CONFIG_CPP __aeabi_atexit.c)
 zephyr_library_sources_ifdef(CONFIG_IRQ_OFFLOAD irq_offload.c)
-zephyr_library_sources_ifdef(CONFIG_SW_VECTOR_RELAY irq_relay.S)
 zephyr_library_sources_ifdef(CONFIG_THREAD_LOCAL_STORAGE tls.c)
 zephyr_library_sources_ifdef(CONFIG_USERSPACE userspace.S)
 zephyr_library_sources_ifdef(CONFIG_ARM_ZIMAGE_HEADER header.S)

arch/arm/core/cortex_m/CMakeLists.txt

@@ -20,6 +20,7 @@ zephyr_library_sources_ifdef(CONFIG_THREAD_LOCAL_STORAGE __aeabi_read_tp.S)
 zephyr_library_sources_ifdef(CONFIG_SEMIHOST semihost.c)
 zephyr_library_sources_ifdef(CONFIG_PM_S2RAM pm_s2ram.c pm_s2ram.S)
 zephyr_library_sources_ifdef(CONFIG_ARCH_CACHE cache.c)
+zephyr_library_sources_ifdef(CONFIG_SW_VECTOR_RELAY irq_relay.S)
 
 if(CONFIG_NULL_POINTER_EXCEPTION_DETECTION_DWT)
   zephyr_library_sources(debug.c)