[bsp] Update tm4c19x and fix the warning in lwip-1.4.1

bsp/tm4c129x/.config

@@ -98,7 +98,7 @@ CONFIG_RT_USING_SERIAL=y
 #
 # POSIX layer and C standard library
 #
-# CONFIG_RT_USING_LIBC is not set
+CONFIG_RT_USING_LIBC=y
 # CONFIG_RT_USING_PTHREADS is not set
 
 #

bsp/tm4c129x/rtconfig.h

@@ -89,7 +89,7 @@
 
 /* POSIX layer and C standard library */
 
-/* RT_USING_LIBC is not set */
+#define RT_USING_LIBC
 /* RT_USING_PTHREADS is not set */
 
 /* Network stack */

components/net/lwip-1.4.1/src/arch/include/arch/cc.h

@@ -38,13 +38,14 @@
 #include <rthw.h>
 #include <rtthread.h>
 
-typedef rt_uint8_t	u8_t;
-typedef rt_int8_t	s8_t;
-typedef rt_uint16_t	u16_t;
-typedef rt_int16_t	s16_t;
-typedef rt_uint32_t	u32_t;
-typedef rt_int32_t	s32_t;
-typedef rt_uint32_t	mem_ptr_t;
+#include <stdint.h>
+typedef uint8_t   u8_t;
+typedef int8_t    s8_t;
+typedef uint16_t  u16_t;
+typedef int16_t   s16_t;
+typedef uint32_t  u32_t;
+typedef int32_t   s32_t;
+typedef uintptr_t mem_ptr_t;
 
 #define U16_F "hu"
 #define S16_F "hd"

include/rtdef.h

@@ -441,7 +441,7 @@ struct rt_timer
 };
 typedef struct rt_timer *rt_timer_t;
 
-/*@}*/
+/**@}*/
 
 /**
  * @addtogroup Signal