ec/google/wilco: Store LID status into LIDS and change device name

Store LID status into LIDS and change device name to LID0.
Then Intel driver can reference it.

BUG=b:151134069
TEST=check LID status by evtest

Signed-off-by: Eric Lai <ericr_lai@compal.corp-partner.google.com>
Change-Id: Ifdac938730eac034b626aa8ad9d52462f65137ba
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39497
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>

src/ec/google/wilco/acpi/ec.asl

@@ -60,6 +60,9 @@ Device (EC0)
 
 		/* Initialize UCSI */
 		^UCSI.INIT ()
+
+		// Initialize LID switch state
+		Store (R (P1LC), \LIDS)
 	}
 
 	/*

src/ec/google/wilco/acpi/event.asl

@@ -57,7 +57,7 @@ Method (ECQ1, 1, Serialized)
 	/* LID state changed */
 	If (EBIT (E1LD, Arg0)) {
 		Printf ("Lid State Changed")
-		Notify (^LID, 0x80)
+		Notify (^LID0, 0x80)
 	}
 
 	/* Power Event */

src/ec/google/wilco/acpi/lid.asl

@@ -14,7 +14,7 @@
  * GNU General Public License for more details.
  */
 
-Device (LID)
+Device (LID0)
 {
 	Name (_HID, EisaId ("PNP0C0D"))
 	Name (_UID, 1)
@@ -22,6 +22,7 @@ Device (LID)
 
 	Method (_LID, 0, NotSerialized)
 	{
-		Return (R (P1LC))
+		Store (R (P1LC), \LIDS)
+		Return (\LIDS)
 	}
 }