pinctrl: bcm: remove redundant assignment to pointer log

The pointer log is being initialized with a value that is never read
and is being re-assigned a little later on. The assignment is
redundant and hence can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20190905140919.29283-1-colin.king@canonical.comReviewed-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/bcm/pinctrl-cygnus-mux.c

@@ -923,7 +923,6 @@ static int cygnus_mux_log_init(struct cygnus_pinctrl *pinctrl)
 	if (!pinctrl->mux_log)
 		return -ENOMEM;
 
-	log = pinctrl->mux_log;
 	for (i = 0; i < CYGNUS_NUM_IOMUX_REGS; i++) {
 		for (j = 0; j < CYGNUS_NUM_MUX_PER_REG; j++) {
 			log = &pinctrl->mux_log[i * CYGNUS_NUM_MUX_PER_REG