pwm: crc: Consistently name pwm_chip variables "chip"

Most variables holding a pointer to a pwm_chip are called "chip" which
is also the usual name in most other PWM drivers. Rename the single
variable that have a different name to be called "chip", too, for
consistency.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

drivers/pwm/pwm-crc.c

@@ -34,9 +34,9 @@ struct crystalcove_pwm {
 	struct regmap *regmap;
 };
 
-static inline struct crystalcove_pwm *to_crc_pwm(struct pwm_chip *pc)
+static inline struct crystalcove_pwm *to_crc_pwm(struct pwm_chip *chip)
 {
-	return container_of(pc, struct crystalcove_pwm, chip);
+	return container_of(chip, struct crystalcove_pwm, chip);
 }
 
 static int crc_pwm_calc_clk_div(int period_ns)