hwmon: (dell-smm) Add Latitude 5480 to fan control whitelist

This allows manual PWM control without the BIOS fighting back on Dell
Latitude 5480.

Signed-off-by: Jeffrey Lin <[e-mail]>
Acked-by: Pali Rohár <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Guenter Roeck <[e-mail]>

drivers/hwmon/dell-smm-hwmon.c

···
 		.driver_data = (void *)&i8k_fan_control_data[I8K_FAN_34A3_35A3],
 	},
 	{
+		.ident = "Dell Latitude 5480",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Latitude 5480"),
+		},
+		.driver_data = (void *)&i8k_fan_control_data[I8K_FAN_34A3_35A3],
+	},
+	{
 		.ident = "Dell Latitude E6440",
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),