Update version number to 5.0.2

Author: Guozhanxin

include/rtdef.h

@@ -88,7 +88,7 @@ extern "C" {
 /* RT-Thread version information */
 #define RT_VERSION_MAJOR                5               /**< Major version number (X.x.x) */
 #define RT_VERSION_MINOR                0               /**< Minor version number (x.X.x) */
-#define RT_VERSION_PATCH                1               /**< Patch version number (x.x.X) */
+#define RT_VERSION_PATCH                2               /**< 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 * 10000) + (minor * 100) + revise)

src/Kconfig

@@ -432,7 +432,7 @@ endmenu
 
 config RT_VER_NUM
     hex
-    default 0x50001
+    default 0x50002
     help
         RT-Thread version number