update example for PR. correct share_control definition

- rename dcd,hal to dcd_samd51, hal_samd51 since some IDE has issue with
duplicated names (e.g keil, ses).

examples/device/device_composite/src/msc_flash_qspi.c

@@ -61,7 +61,7 @@ int32_t tud_msc_read10_cb(uint8_t lun, uint32_t lba, uint32_t offset, void* buff
 
 // Callback invoked when received WRITE10 command.
 // Process data in buffer to disk's storage and return number of written bytes
-int32_t tud_msc_write10_cb(uint8_t lun, uint32_t lba, uint32_t offset, void* buffer, uint32_t bufsize)
+int32_t tud_msc_write10_cb(uint8_t lun, uint32_t lba, uint32_t offset, uint8_t* buffer, uint32_t bufsize)
 {
   uint32_t addr = lba * CFG_TUD_MSC_BLOCK_SZ + offset;