platform/x86: dell-wmi-led: Adjust instance of wmi_evaluate_method calls to 0

Pali recently noticed that WMI instances are zero indexed.

The only reason that these calls all worked properly is because the ASL
didn't verify the instance number.
Signed-off-by: Louis Davis <louis.davis@dell.com>
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>

drivers/platform/x86/dell-wmi-led.c

@@ -68,7 +68,7 @@ static int dell_led_perform_fn(u8 length, u8 result_code, u8 device_id,
 	input.length = sizeof(struct bios_args);
 	input.pointer = &args;
 
-	status = wmi_evaluate_method(DELL_LED_BIOS_GUID, 1, 1, &input, &output);
+	status = wmi_evaluate_method(DELL_LED_BIOS_GUID, 0, 1, &input, &output);
 	if (ACPI_FAILURE(status))
 		return status;