Blackfin arch: Fix typo (channel)

Channnel -> Channel
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

arch/blackfin/mach-bf537/include/mach/blackfin.h

@@ -82,7 +82,7 @@
 #define STATUS_P1	0x02
 #define STATUS_P0	0x01
 
-/* DMA Channnel */
+/* DMA Channel */
 #define bfin_read_CH_UART_RX() bfin_read_CH_UART0_RX()
 #define bfin_write_CH_UART_RX(val) bfin_write_CH_UART0_RX(val)
 #define CH_UART_RX CH_UART0_RX

arch/blackfin/mach-bf548/include/mach/blackfin.h

@@ -111,7 +111,7 @@
 
 /* UART 0*/
 
-/* DMA Channnel */
+/* DMA Channel */
 #define bfin_read_CH_UART_RX()		bfin_read_CH_UART1_RX()
 #define bfin_write_CH_UART_RX(val)	bfin_write_CH_UART1_RX(val)
 #define bfin_read_CH_UART_TX()		bfin_read_CH_UART1_TX()