staging: vt6655: fix camelcase byData in card.c

Replace camelcase variable "byData" into linux kernel coding style
equivalent variable "data" in card.c.
"by" prefix in hungarian notation stands for byte or unsigned char

References:
https://www.kernel.org/doc/html/latest/process/coding-style.html
https://www.cse.iitk.ac.in/users/dsrkg/cs245/html/Guide.htmSigned-off-by: Tommaso Merciai <tomm.merciai@gmail.com>
Link: https://lore.kernel.org/r/20211106184822.24242-1-tomm.merciai@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6655/card.c

@@ -183,7 +183,7 @@ bool CARDbSetPhyParameter(struct vnt_private *priv, u8 bb_type)
 	unsigned char bySlot = 0;
 	unsigned char bySIFS = 0;
 	unsigned char byDIFS = 0;
-	unsigned char byData;
+	unsigned char data;
 	int i;
 
 	/* Set SIFS, DIFS, EIFS, SlotTime, CwMin */
@@ -194,15 +194,15 @@ bool CARDbSetPhyParameter(struct vnt_private *priv, u8 bb_type)
 			priv->abyBBVGA[0] = 0x20;
 			priv->abyBBVGA[2] = 0x10;
 			priv->abyBBVGA[3] = 0x10;
-			bb_read_embedded(priv, 0xE7, &byData);
-			if (byData == 0x1C)
+			bb_read_embedded(priv, 0xE7, &data);
+			if (data == 0x1C)
 				bb_write_embedded(priv, 0xE7, priv->abyBBVGA[0]);
 
 		} else if (priv->byRFType == RF_UW2452) {
 			MACvSetBBType(priv->port_offset, BB_TYPE_11A);
 			priv->abyBBVGA[0] = 0x18;
-			bb_read_embedded(priv, 0xE7, &byData);
-			if (byData == 0x14) {
+			bb_read_embedded(priv, 0xE7, &data);
+			if (data == 0x14) {
 				bb_write_embedded(priv, 0xE7, priv->abyBBVGA[0]);
 				bb_write_embedded(priv, 0xE1, 0x57);
 			}
@@ -220,14 +220,14 @@ bool CARDbSetPhyParameter(struct vnt_private *priv, u8 bb_type)
 			priv->abyBBVGA[0] = 0x1C;
 			priv->abyBBVGA[2] = 0x00;
 			priv->abyBBVGA[3] = 0x00;
-			bb_read_embedded(priv, 0xE7, &byData);
-			if (byData == 0x20)
+			bb_read_embedded(priv, 0xE7, &data);
+			if (data == 0x20)
 				bb_write_embedded(priv, 0xE7, priv->abyBBVGA[0]);
 
 		} else if (priv->byRFType == RF_UW2452) {
 			priv->abyBBVGA[0] = 0x14;
-			bb_read_embedded(priv, 0xE7, &byData);
-			if (byData == 0x18) {
+			bb_read_embedded(priv, 0xE7, &data);
+			if (data == 0x18) {
 				bb_write_embedded(priv, 0xE7, priv->abyBBVGA[0]);
 				bb_write_embedded(priv, 0xE1, 0xD3);
 			}
@@ -243,14 +243,14 @@ bool CARDbSetPhyParameter(struct vnt_private *priv, u8 bb_type)
 			priv->abyBBVGA[0] = 0x1C;
 			priv->abyBBVGA[2] = 0x00;
 			priv->abyBBVGA[3] = 0x00;
-			bb_read_embedded(priv, 0xE7, &byData);
-			if (byData == 0x20)
+			bb_read_embedded(priv, 0xE7, &data);
+			if (data == 0x20)
 				bb_write_embedded(priv, 0xE7, priv->abyBBVGA[0]);
 
 		} else if (priv->byRFType == RF_UW2452) {
 			priv->abyBBVGA[0] = 0x14;
-			bb_read_embedded(priv, 0xE7, &byData);
-			if (byData == 0x18) {
+			bb_read_embedded(priv, 0xE7, &data);
+			if (data == 0x18) {
 				bb_write_embedded(priv, 0xE7, priv->abyBBVGA[0]);
 				bb_write_embedded(priv, 0xE1, 0xD3);
 			}
@@ -798,12 +798,12 @@ bool CARDbGetCurrentTSF(struct vnt_private *priv, u64 *pqwCurrTSF)
 {
 	void __iomem *iobase = priv->port_offset;
 	unsigned short ww;
-	unsigned char byData;
+	unsigned char data;
 
 	MACvRegBitsOn(iobase, MAC_REG_TFTCTL, TFTCTL_TSFCNTRRD);
 	for (ww = 0; ww < W_MAX_TIMEOUT; ww++) {
-		VNSvInPortB(iobase + MAC_REG_TFTCTL, &byData);
-		if (!(byData & TFTCTL_TSFCNTRRD))
+		VNSvInPortB(iobase + MAC_REG_TFTCTL, &data);
+		if (!(data & TFTCTL_TSFCNTRRD))
 			break;
 	}
 	if (ww == W_MAX_TIMEOUT)