repair 'mount sd card'

Ubiquitous/XiUOS/board/aiit-riscv64-board/Kconfig

@@ -53,6 +53,13 @@ menu "aiit-riscv64-board feature"
             endif
         endmenu
 
+        menu "config board peripheral"
+            config MOUNT_SDCARD
+                bool "mount cd card"
+                default n
+                select  BSP_USING_SDIO
+        endmenu
+
     endmenu
 
     config __STACKSIZE__

Ubiquitous/XiUOS/board/aiit-riscv64-board/board.c

@@ -64,6 +64,28 @@ extern int HwRtcInit(void);
 extern int HwTouchBusInit(void);
 extern int HwCh376Init(void);
 
+#if defined(FS_VFS) && defined(MOUNT_SDCARD)
+#include <iot-vfs.h>
+
+/**
+ * @description: Mount SD card
+ * @return 0
+ */
+/**
+ * @description: Mount SD card
+ * @return 0
+ */
+int  MountSDCard(void)
+{
+    if (MountFilesystem(SDIO_BUS_NAME, SDIO_DEVICE_NAME, SDIO_DRIVER_NAME, FSTYPE_CH376, "/") == 0)
+        DBG("sd card mount to '/'");
+    else
+        SYS_WARN("sd card mount to '/' failed!");
+    
+    return 0;
+}
+#endif
+
 void init_bss(void)
 {
     unsigned int *dst;