hp/pavilion_m6_1035dx: Implement MB.LIDS ACPI method

Change-Id: I654ca745f7404b86aa25fb2e696751d616d0ca03
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/5517
Tested-by: build bot (Jenkins)
Reviewed-by: Idwer Vollering <vidwer@gmail.com>

src/mainboard/hp/pavilion_m6_1035dx/acpi/mainboard.asl

@@ -98,6 +98,9 @@ Scope (\_SB) {
 			Store( Not(GP57), GP57 )
 		}
 		/* Return lid state */
-		Method (LIDS) { /* Stub */ }
+		Method (LIDS)
+		{
+			Return(GE22)
+		}
 	}
 }