apple/macbook21: EC handling ACPI implementation.

Now battery indicator and lid work.

Change-Id: I2f747a408e331a245d91dd5f9c7ead0729f02a67
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/5323
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Tested-by: build bot (Jenkins)
diff --git a/src/mainboard/apple/macbook21/devicetree.cb b/src/mainboard/apple/macbook21/devicetree.cb
index 6b1e7ff..258a329 100644
--- a/src/mainboard/apple/macbook21/devicetree.cb
+++ b/src/mainboard/apple/macbook21/devicetree.cb
@@ -57,9 +57,8 @@
 			#  0 No effect (default)
 			#  1 SMI# (if corresponding ALT_GPI_SMI_EN bit is also set)
 			#  2 SCI (if corresponding GPIO_EN bit is also set)
-			register "gpi13_routing" = "2"
-			register "gpi12_routing" = "1"
-			register "gpi8_routing" = "2"
+			register "gpi1_routing" = "2"
+			register "gpi7_routing" = "2"
 
 			register "sata_ahci" = "0x1"
 			register "sata_ports_implemented" = "0x04"