S3C: DMA: Change argument of s3c2410_dma_devconfig

All other functions have the channel argument of type 'unsigned int'
the s3c2410_dma_devconfig also accept the same value as argument but
treat it as type 'int'. Remove this anomaly by make it 'unsigned int'.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c
index 93827b3..6ad274e 100644
--- a/arch/arm/plat-s3c24xx/dma.c
+++ b/arch/arm/plat-s3c24xx/dma.c
@@ -1104,7 +1104,7 @@
  * devaddr:   physical address of the source
 */
 
-int s3c2410_dma_devconfig(int channel,
+int s3c2410_dma_devconfig(unsigned int channel,
 			  enum s3c2410_dmasrc source,
 			  unsigned long devaddr)
 {