feat add lwext4 fs register

Ubiquitous/XiZi/board/xidatong/Kconfig

@@ -42,7 +42,7 @@ menu "xidatong feature"
 
     menu "config board peripheral"
         config MOUNT_SDCARD
-            bool "mount cd card"
+            bool "mount sd card"
             default n
     endmenu
 

Ubiquitous/XiZi/kernel/include/xs_init.h

@@ -40,6 +40,7 @@ extern int FlashW25qxxSpiDeviceInit(void);
 extern int LoraSx12xxSpiDeviceInit(void);
 extern int FatfsInit(void);
 extern int Ch376fsInit(void);
+extern int Lwext4Init(void);
 extern int LibcSystemInit(void);
 extern int RtcNtpSyncInit(void);
 extern int MountSDCard(void);

Ubiquitous/XiZi/kernel/thread/init.c

@@ -95,6 +95,9 @@ struct InitSequenceDesc components_init[] =
 #endif
 #ifdef FS_CH376
 	{ "ch376", Ch376fsInit },
+#endif
+#ifdef FS_LWEXT4
+	{ "lwext4", Lwext4Init },
 #endif
 	{ "libc_system", LibcSystemInit },
 #ifdef RTC_SYNC_USING_NTP