staging: vt6655: Change camel case variables to snake case

Change camel case to snake case and remove the unneeded "by" prefix.
Issue found by checkpatch.

Signed-off-by: Mingzai Sun <szp2017@gmail.com>
Link: https://lore.kernel.org/r/20230812151710.462685-1-szp2017@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: Mingzai Sun

drivers/staging/vt6655/srom.c

@@ -49,15 +49,15 @@
  * Parameters:
  *  In:
  *      iobase          - I/O base address
- *      byContntOffset  - address of EEPROM
+ *      contnt_offset  - address of EEPROM
  *  Out:
  *      none
  *
  * Return Value: data read
  *
  */
 unsigned char SROMbyReadEmbedded(void __iomem *iobase,
-				 unsigned char byContntOffset)
+				 unsigned char contnt_offset)
 {
 	unsigned short wDelay, wNoACK;
 	unsigned char byWait;
@@ -70,7 +70,7 @@ unsigned char SROMbyReadEmbedded(void __iomem *iobase,
 	iowrite8(byOrg & (~I2MCFG_NORETRY), iobase + MAC_REG_I2MCFG);
 	for (wNoACK = 0; wNoACK < W_MAX_I2CRETRY; wNoACK++) {
 		iowrite8(EEP_I2C_DEV_ID, iobase + MAC_REG_I2MTGID);
-		iowrite8(byContntOffset, iobase + MAC_REG_I2MTGAD);
+		iowrite8(contnt_offset, iobase + MAC_REG_I2MTGAD);
 
 		/* issue read command */
 		iowrite8(I2MCSR_EEMR, iobase + MAC_REG_I2MCSR);