leds: qcom-lpg: Drop assignment to struct pwmchip::base

Since commit f9a8ee8c ("pwm: Always allocate PWM chip base ID
dynamically") there is no effect any more for assigning this variable. See
pwmchip_add() which unconditionally overwrites this member.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20230728065739.580281-1-u.kleine-koenig@pengutronix.deSigned-off-by: Lee Jones <lee@kernel.org>

drivers/leds/rgb/leds-qcom-lpg.c

@@ -1092,7 +1092,6 @@ static int lpg_add_pwm(struct lpg *lpg)
 {
 	int ret;
 
-	lpg->pwm.base = -1;
 	lpg->pwm.dev = lpg->dev;
 	lpg->pwm.npwm = lpg->num_channels;
 	lpg->pwm.ops = &lpg_pwm_ops;