pwm: max7360: Clean MAX7360 code

Duty steps computation can never end in values higher than
MAX7360_PWM_MAX: remove useless use of min().

Signed-off-by: Mathieu Dubois-Briand <[e-mail]>
Suggested-by: Uwe Kleine-König <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Uwe Kleine-König <[e-mail]>

drivers/pwm/pwm-max7360.c

···
 			duty_steps = MAX7360_PWM_MAX - 1;
 	}
 
-	wfhw->duty_steps = min(MAX7360_PWM_MAX, duty_steps);
+	wfhw->duty_steps = duty_steps;
 	wfhw->enabled = !!wf->period_length_ns;
 
 	if (wf->period_length_ns && wf->period_length_ns < MAX7360_PWM_PERIOD_NS)