Blackfin arch: fix typo error in bf548 serial header file

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

diff --git a/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h
index 59b4ad4..aabe5b9 100644
--- a/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h
@@ -187,7 +187,7 @@
 
 #ifdef CONFIG_BFIN_UART1_CTSRTS
 	peripheral_request(P_UART1_RTS, DRIVER_NAME);
-	peripheral_request(P_UART1_CTS DRIVER_NAME);
+	peripheral_request(P_UART1_CTS, DRIVER_NAME);
 #endif
 #endif
 
@@ -202,7 +202,7 @@
 
 #ifdef CONFIG_BFIN_UART3_CTSRTS
 	peripheral_request(P_UART3_RTS, DRIVER_NAME);
-	peripheral_request(P_UART3_CTS DRIVER_NAME);
+	peripheral_request(P_UART3_CTS, DRIVER_NAME);
 #endif
 #endif
 	SSYNC();