[kernel] Bump version to v5.3.1

Author: CYFS3

include/rtdef.h

@@ -61,6 +61,7 @@
  *                             Separate the compiler portings to rtcompiler.h
  * 2024-03-30     Meco Man     update version number to v5.2.0
  * 2025-11-10     Rbb666       update version number to v5.3.0
+ * 2026-09-10     CYFS         update version number to v5.3.1
  */
 
 #ifndef __RT_DEF_H__
@@ -84,7 +85,7 @@ extern "C" {
 /* RT-Thread version information */
 #define RT_VERSION_MAJOR                5               /**< Major version number (X.x.x) */
 #define RT_VERSION_MINOR                3               /**< Minor version number (x.X.x) */
-#define RT_VERSION_PATCH                0               /**< Patch version number (x.x.X) */
+#define RT_VERSION_PATCH                1               /**< Patch version number (x.x.X) */
 
 /* e.g. #if (RTTHREAD_VERSION >= RT_VERSION_CHECK(4, 1, 0) */
 #define RT_VERSION_CHECK(major, minor, revise)          ((major * 10000U) + (minor * 100U) + revise)

src/Kconfig

@@ -465,7 +465,7 @@ endif
 
 config RT_VER_NUM
     hex
-    default 0x50300
+    default 0x50301
     help
         RT-Thread version number
 

src/kservice.c

@@ -160,7 +160,7 @@ void rt_show_version(void)
 #endif
     rt_kprintf(" / | \\     %d.%d.%d build %s %s\n",
                (rt_int32_t)RT_VERSION_MAJOR, (rt_int32_t)RT_VERSION_MINOR, (rt_int32_t)RT_VERSION_PATCH, __DATE__, __TIME__);
-    rt_kprintf(" 2006 - 2024 Copyright by RT-Thread team\n");
+    rt_kprintf(" 2006 - 2026 Copyright by RT-Thread team\n");
 }
 RTM_EXPORT(rt_show_version);