staging: vt6655: remove redundant assignment to variable byData

Variable byData is being assigned a value that is never read, it is
being re-assigned later on. The assignment is redundant and can be
removed.

Cleans up clang scan build warning:
drivers/staging/vt6655/srom.c:67:2: warning: Value stored to 'byData'
is never read [deadcode.DeadStores]

Signed-off-by: Colin Ian King <[e-mail]>
Tested-by: Philipp Hortmann <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/vt6655/srom.c

···
 	unsigned char byData;
 	unsigned char byOrg;
 
-	byData = 0xFF;
 	byOrg = ioread8(iobase + MAC_REG_I2MCFG);
 	/* turn off hardware retry for getting NACK */
 	iowrite8(byOrg & (~I2MCFG_NORETRY), iobase + MAC_REG_I2MCFG);