platform/x86: amd-pmc: Drop check for valid alarm time

This is already checked when calling rtc_read_alarm.

Suggested-by: Alexandre Belloni <[e-mail]>
Signed-off-by: Mario Limonciello <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Reviewed-by: Hans de Goede <[e-mail]>
Signed-off-by: Hans de Goede <[e-mail]>

drivers/platform/x86/amd-pmc.c

···
 		dev_dbg(pdev->dev, "alarm not enabled\n");
 		return 0;
 	}
-	rc = rtc_valid_tm(&alarm.time);
-	if (rc)
-		return rc;
 	rc = rtc_read_time(rtc_device, &tm);
 	if (rc)
 		return rc;