drivers/ti/sn65dsi86bridge: Add parentheses to Macros

Change-Id: I2f3a9885171995633d0bfb22b7ff8ef8a68683b8
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49508
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/src/drivers/ti/sn65dsi86bridge/sn65dsi86bridge.c b/src/drivers/ti/sn65dsi86bridge/sn65dsi86bridge.c
index 44a8088..ca41cdb 100644
--- a/src/drivers/ti/sn65dsi86bridge/sn65dsi86bridge.c
+++ b/src/drivers/ti/sn65dsi86bridge/sn65dsi86bridge.c
@@ -10,8 +10,8 @@
 #include <soc/addressmap.h>
 #include "sn65dsi86bridge.h"
 
-#define BRIDGE_GETHIGHERBYTE(x)		(uint8_t)((x & 0xff00) >> 8)
-#define BRIDGE_GETLOWERBYTE(x)		(uint8_t)((x & 0x00ff))
+#define BRIDGE_GETHIGHERBYTE(x)		((uint8_t)((x & 0xff00) >> 8))
+#define BRIDGE_GETLOWERBYTE(x)		((uint8_t)(x & 0x00ff))
 
 /* fudge factor required to account for 8b/10b encoding */
 #define DP_CLK_FUDGE_NUM 10