Staging: vt6655: Fixing coding style warnings

Removes following warnings found by checkpatch.pl script:

WARNING: Prefer using '"%s...", __func__' to using 'xxx',
this function's name, in a string

Signed-off-by: Simo Koskinen <koskisoft@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/vt6655/card.c b/drivers/staging/vt6655/card.c
index f5db2b3..14034e3 100644
--- a/drivers/staging/vt6655/card.c
+++ b/drivers/staging/vt6655/card.c
@@ -649,19 +649,19 @@ static unsigned short CARDwGetOFDMControlRate(struct vnt_private *priv,
 	pr_debug("BASIC RATE: %X\n", priv->basic_rates);
 
 	if (!CARDbIsOFDMinBasicRate((void *)priv)) {
-		pr_debug("CARDwGetOFDMControlRate:(NO OFDM) %d\n", wRateIdx);
+		pr_debug("%s:(NO OFDM) %d\n", __func__, wRateIdx);
 		if (wRateIdx > RATE_24M)
 			wRateIdx = RATE_24M;
 		return wRateIdx;
 	}
 	while (ui > RATE_11M) {
 		if (priv->basic_rates & ((u32)0x1 << ui)) {
-			pr_debug("CARDwGetOFDMControlRate : %d\n", ui);
+			pr_debug("%s : %d\n", __func__, ui);
 			return (unsigned short)ui;
 		}
 		ui--;
 	}
-	pr_debug("CARDwGetOFDMControlRate: 6M\n");
+	pr_debug("%s: 6M\n", __func__);
 	return (unsigned short)RATE_24M;
 }
 
diff --git a/drivers/staging/vt6655/mac.c b/drivers/staging/vt6655/mac.c
index 4aaa99b..f7550b2 100644
--- a/drivers/staging/vt6655/mac.c
+++ b/drivers/staging/vt6655/mac.c
@@ -809,7 +809,7 @@ void MACvSetKeyEntry(struct vnt_private *priv, unsigned short wKeyCtl,
 	if (byLocalID <= 1)
 		return;
 
-	pr_debug("MACvSetKeyEntry\n");
+	pr_debug("%s\n", __func__);
 	offset = MISCFIFO_KEYETRY0;
 	offset += (uEntryIdx * MISCFIFO_KEYENTRYSIZE);