staging: ralink-gdma: Change unsigned to unsigned int

This fixes the checkpatch.pl warning: "Prefer unsigned to unsigned int"
Signed-off-by: Bharath Vedartham <linux.bhar@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/ralink-gdma/ralink-gdma.c

@@ -164,7 +164,7 @@ static inline uint32_t gdma_dma_read(struct gdma_dma_dev *dma_dev,
 }
 
 static inline void gdma_dma_write(struct gdma_dma_dev *dma_dev,
-				  unsigned reg, uint32_t val)
+				  unsigned int reg, uint32_t val)
 {
 	writel(val, dma_dev->base + reg);
 }