feat(core): Add 8-bit and 16-bit atomic operation support

libcpu/Kconfig

@@ -13,6 +13,14 @@ config RT_USING_HW_ATOMIC
     bool
     default n
 
+config ARCH_USING_HW_ATOMIC_8
+    bool
+    default n
+
+config ARCH_USING_HW_ATOMIC_16
+    bool
+    default n
+
 config ARCH_CPU_BIG_ENDIAN
     bool
 
@@ -60,6 +68,8 @@ config ARCH_ARM_CORTEX_M3
     select ARCH_ARM_CORTEX_M
     select RT_USING_CPU_FFS
     select RT_USING_HW_ATOMIC
+    select ARCH_USING_HW_ATOMIC_8
+    select ARCH_USING_HW_ATOMIC_16
 
 config ARCH_ARM_MPU
     bool
@@ -71,6 +81,8 @@ config ARCH_ARM_CORTEX_M4
     select ARCH_ARM_CORTEX_M
     select RT_USING_CPU_FFS
     select RT_USING_HW_ATOMIC
+    select ARCH_USING_HW_ATOMIC_8
+    select ARCH_USING_HW_ATOMIC_16
 
 config ARCH_ARM_CORTEX_M7
     bool
@@ -78,28 +90,38 @@ config ARCH_ARM_CORTEX_M7
     select RT_USING_CPU_FFS
     select RT_USING_CACHE
     select RT_USING_HW_ATOMIC
+    select ARCH_USING_HW_ATOMIC_8
+    select ARCH_USING_HW_ATOMIC_16
 
 config ARCH_ARM_CORTEX_M85
     bool
     select ARCH_ARM_CORTEX_M
     select RT_USING_CPU_FFS
     select RT_USING_HW_ATOMIC
+    select ARCH_USING_HW_ATOMIC_8
+    select ARCH_USING_HW_ATOMIC_16
 
 config ARCH_ARM_CORTEX_M23
     bool
     select ARCH_ARM_CORTEX_M
     select RT_USING_HW_ATOMIC
+    select ARCH_USING_HW_ATOMIC_8
+    select ARCH_USING_HW_ATOMIC_16
 
 config ARCH_ARM_CORTEX_M33
     bool
     select ARCH_ARM_CORTEX_M
     select RT_USING_CPU_FFS
     select RT_USING_HW_ATOMIC
+    select ARCH_USING_HW_ATOMIC_8
+    select ARCH_USING_HW_ATOMIC_16
 
 config ARCH_ARM_CORTEX_R
     bool
     select ARCH_ARM
     select RT_USING_HW_ATOMIC
+    select ARCH_USING_HW_ATOMIC_8
+    select ARCH_USING_HW_ATOMIC_16
 
 config ARCH_ARM_CORTEX_R52
     bool
@@ -141,6 +163,8 @@ config ARCH_ARM_CORTEX_A
     select ARCH_ARM_MMU
     select RT_USING_CPU_FFS
     select RT_USING_HW_ATOMIC
+    select ARCH_USING_HW_ATOMIC_8
+    select ARCH_USING_HW_ATOMIC_16
 
     if ARCH_ARM_CORTEX_A
         config RT_SMP_AUTO_BOOT