pwm: meson: Remove redundant assignment to variable fin_freq

The variable fin_freq is being initialized with a value that is never
read and it is being updated later with a new value. The initialization
is redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

drivers/pwm/pwm-meson.c

@@ -163,7 +163,7 @@ static int meson_pwm_calc(struct meson_pwm *meson, struct pwm_device *pwm,
 {
 	struct meson_pwm_channel *channel = pwm_get_chip_data(pwm);
 	unsigned int duty, period, pre_div, cnt, duty_cnt;
-	unsigned long fin_freq = -1;
+	unsigned long fin_freq;
 
 	duty = state->duty_cycle;
 	period = state->period;