pwm: axi-pwmgen: Make use of regmap_clear_bits()

Instead of using regmap_update_bits() and passing val=0, better use
regmap_clear_bits().

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Acked-by: Trevor Gamblin <tgamblin@baylibre.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240606164047.534741-6-u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>

Author: Uwe Kleine-König

drivers/pwm/pwm-axi-pwmgen.c

@@ -156,7 +156,7 @@ static int axi_pwmgen_setup(struct regmap *regmap, struct device *dev)
 	}
 
 	/* Enable the core */
-	ret = regmap_update_bits(regmap, AXI_PWMGEN_REG_CONFIG, AXI_PWMGEN_REG_CONFIG_RESET, 0);
+	ret = regmap_clear_bits(regmap, AXI_PWMGEN_REG_CONFIG, AXI_PWMGEN_REG_CONFIG_RESET);
 	if (ret)
 		return ret;