X1000: drv_sfc_gd25qxx_mtd.c: 修复编译过程中的警告/Fix compile-time warnings

在第36行中,“rt_size_t size”应改为“rt_uint32_t size”。
在第43行中,“rt_size_t size”应改为“rt_uint32_t size”。

In line 36, "rt_size_t size" should be changed to "rt_uint32_t size".
In line 43, "rt_size_t size" should be changed to "rt_uint32_t size".
Signed-off-by: NZhou Yanjie <zhou_yan_jie@163.com>

bsp/x1000/drivers/sfc/drv_sfc_gd25qxx_mtd.c

@@ -33,14 +33,14 @@ static rt_base_t mtd_gd25_read_id(struct rt_mtd_nor_device *device)
     return (rt_uint32_t)flash->id;
 }
 
-static rt_size_t mtd_gd25_read(struct rt_mtd_nor_device *device, rt_off_t position, rt_uint8_t *data, rt_size_t size)
+static rt_size_t mtd_gd25_read(struct rt_mtd_nor_device *device, rt_off_t position, rt_uint8_t *data, rt_uint32_t size)
 {
     struct sfc_flash *flash = (struct sfc_flash *)device;
 
     return sfc_norflash_read(flash,position,data,size);
 }
 
-static rt_size_t mtd_gd25_write(struct rt_mtd_nor_device *device, rt_off_t position, const rt_uint8_t *data, rt_size_t size)
+static rt_size_t mtd_gd25_write(struct rt_mtd_nor_device *device, rt_off_t position, const rt_uint8_t *data, rt_uint32_t size)
 {
     struct sfc_flash *flash = (struct sfc_flash *)device;