soc/apollolake: Clear SLP_TYP in PM1_CNT

Change-Id: Id49319ec6b52648b03eaeddfdd1580dd82110fb9
Signed-off-by: Hannah Williams <hannah.williams@intel.com>
Reviewed-on: https://review.coreboot.org/15336
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/soc/intel/apollolake/pmutil.c

@@ -315,6 +315,9 @@ int chipset_prev_sleep_state(struct chipset_power_state *ps)
 			prev_sleep_state = SLEEP_STATE_S5;
 			break;
 		}
+
+		/* Clear SLP_TYP. */
+		outl(ps->pm1_cnt & ~(SLP_TYP), ACPI_PMIO_BASE + PM1_CNT);
 	}
 	return prev_sleep_state;
 }