mfd: intel_soc_pmic_crc: Add PWM cell device for Crystalcove PMIC

Needed for PWM control suuported by the PMIC

CC: Samuel Ortiz <[e-mail]>
Cc: Linus Walleij <[e-mail]>
Cc: Alexandre Courbot <[e-mail]>
Cc: Thierry Reding <[e-mail]>
Acked-by: Lee Jones <[e-mail]>
Tested-by: Ville Syrjälä <[e-mail]>
Signed-off-by: Shobhit Kumar <[e-mail]>
Signed-off-by: Daniel Vetter <[e-mail]>

drivers/mfd/intel_soc_pmic_crc.c

···
 	{
 		.name = "crystal_cove_pmic",
 	},
+	{
+		.name = "crystal_cove_pwm",
+	},
 };
 
 static const struct regmap_config crystal_cove_regmap_config = {