soundwire: wrap macro argument in parenthesis

macro argument should be inside a parenthesis to avoid precedence
issues

checkpatch complains:
CHECK: Macro argument 'n' may be better as '(n)' to avoid
precedence issues
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

include/linux/soundwire/sdw.h

@@ -36,7 +36,7 @@ struct sdw_slave;
 #define SDW_FRAME_CTRL_BITS		48
 #define SDW_MAX_DEVICES			11
 
-#define SDW_VALID_PORT_RANGE(n)		(n <= 14 && n >= 1)
+#define SDW_VALID_PORT_RANGE(n)		((n) <= 14 && (n) >= 1)
 
 #define SDW_DAI_ID_RANGE_START		100
 #define SDW_DAI_ID_RANGE_END		200