pwm: Use %u to printf unsigned int pwm_chip::npwm and pwm_chip::id

%u is the right conversion specifier to emit an unsigned int value.

Fixes: 62099abf67a2 ("pwm: Add debugfs interface")
Fixes: 0360a4873372 ("pwm: Mention PWM chip ID in /sys/kernel/debug/pwm")
Signed-off-by: Uwe Kleine-König <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Uwe Kleine-König <[e-mail]>

drivers/pwm/core.c

···
 {
 	struct pwm_chip *chip = v;
 
-	seq_printf(s, "%s%d: %s/%s, npwm: %d\n",
+	seq_printf(s, "%s%u: %s/%s, npwm: %u\n",
 		   (char *)s->private, chip->id,
 		   pwmchip_parent(chip)->bus ? pwmchip_parent(chip)->bus->name : "no-bus",
 		   dev_name(pwmchip_parent(chip)), chip->npwm);