staging: ks7010: replace IS_11BG_RATE macro with inline function

This commit replaces IS_11BG_RATE macro with is_11b_rate inline
function to improve readability.

It also fix a checkpatch script warning because a line with more
than 80 spaces.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/ks7010/ks_hostif.c

@@ -1897,7 +1897,7 @@ void hostif_sme_mode_setup(struct ks_wlan_private *priv)
 
 	} else {	/* D_11G_ONLY_MODE or D_11BG_COMPATIBLE_MODE */
 		for (i = 0; i < priv->reg.rate_set.size; i++) {
-			if (!IS_11BG_RATE(priv->reg.rate_set.body[i]))
+			if (!is_11bg_rate(priv->reg.rate_set.body[i]))
 				break;
 
 			if (IS_OFDM_EXT_RATE(priv->reg.rate_set.body[i])) {

drivers/staging/ks7010/ks_hostif.h

@@ -576,7 +576,10 @@ static inline bool is_ofdm_rate(u8 rate)
 		((rate & RATE_MASK) == TX_RATE_54M));
 }
 
-#define IS_11BG_RATE(A) (is_11b_rate(A) || is_ofdm_rate(A))
+static inline bool is_11bg_rate(u8 rate)
+{
+	return (is_11b_rate(rate) || is_ofdm_rate(rate));
+}
 
 #define IS_OFDM_EXT_RATE(A) (((A & RATE_MASK) == TX_RATE_9M) || ((A & RATE_MASK) == TX_RATE_18M) || \
 			     ((A & RATE_MASK) == TX_RATE_36M) || ((A & RATE_MASK) == TX_RATE_48M) || \