staging: ks7010: Wrap macro definitions in parenthesis

Wrap the definition of TX_RATE_* constants in parenthesis to prevent
incorrect casting during expansion, as recommended by checkpatch.pl.
Signed-off-by: Caleb D.S. Brzezinski <calebdsb@protonmail.com>
Link: https://lore.kernel.org/r/20210616212552.117604-1-calebdsb@protonmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/ks7010/ks_hostif.h

@@ -498,20 +498,20 @@ struct hostif_mic_failure_request {
 #define TX_RATE_FIXED		5
 
 /* 11b rate */
-#define TX_RATE_1M	(u8)(10 / 5)	/* 11b 11g basic rate */
-#define TX_RATE_2M	(u8)(20 / 5)	/* 11b 11g basic rate */
-#define TX_RATE_5M	(u8)(55 / 5)	/* 11g basic rate */
-#define TX_RATE_11M	(u8)(110 / 5)	/* 11g basic rate */
+#define TX_RATE_1M	((u8)(10 / 5))	/* 11b 11g basic rate */
+#define TX_RATE_2M	((u8)(20 / 5))	/* 11b 11g basic rate */
+#define TX_RATE_5M	((u8)(55 / 5))	/* 11g basic rate */
+#define TX_RATE_11M	((u8)(110 / 5))	/* 11g basic rate */
 
 /* 11g rate */
-#define TX_RATE_6M	(u8)(60 / 5)	/* 11g basic rate */
-#define TX_RATE_12M	(u8)(120 / 5)	/* 11g basic rate */
-#define TX_RATE_24M	(u8)(240 / 5)	/* 11g basic rate */
-#define TX_RATE_9M	(u8)(90 / 5)
-#define TX_RATE_18M	(u8)(180 / 5)
-#define TX_RATE_36M	(u8)(360 / 5)
-#define TX_RATE_48M	(u8)(480 / 5)
-#define TX_RATE_54M	(u8)(540 / 5)
+#define TX_RATE_6M	((u8)(60 / 5))	/* 11g basic rate */
+#define TX_RATE_12M	((u8)(120 / 5))	/* 11g basic rate */
+#define TX_RATE_24M	((u8)(240 / 5))	/* 11g basic rate */
+#define TX_RATE_9M	((u8)(90 / 5))
+#define TX_RATE_18M	((u8)(180 / 5))
+#define TX_RATE_36M	((u8)(360 / 5))
+#define TX_RATE_48M	((u8)(480 / 5))
+#define TX_RATE_54M	((u8)(540 / 5))
 
 static inline bool is_11b_rate(u8 rate)
 {