Enguarde: Add Elan Touchpad to the wake sources

BUG=chrome-os-partner:28572
TEST=`emerge-enguarde chromeos-bsp-enguarde`

Change-Id: I842a0cfe29d1c3febdbe61799329d73663d4f1f8
Reviewed-on: https://chromium-review.googlesource.com/198570
Reviewed-by: Benson Leung <bleung@chromium.org>
Commit-Queue: Bernie Thompson <bhthompson@chromium.org>
Tested-by: Bernie Thompson <bhthompson@chromium.org>
(cherry picked from commit a4613649db0093f457880a2f9be3e3742c59cb03)
Reviewed-on: https://chromium-review.googlesource.com/199399
Reviewed-by: Bernie Thompson <bhthompson@chromium.org>
diff --git a/overlay-enguarde/chromeos-base/chromeos-bsp-enguarde/chromeos-bsp-enguarde-0.0.1-r3.ebuild b/overlay-enguarde/chromeos-base/chromeos-bsp-enguarde/chromeos-bsp-enguarde-0.0.1-r3.ebuild
new file mode 120000
index 0000000..97dffc8
--- /dev/null
+++ b/overlay-enguarde/chromeos-base/chromeos-bsp-enguarde/chromeos-bsp-enguarde-0.0.1-r3.ebuild
@@ -0,0 +1 @@
+chromeos-bsp-enguarde-0.0.1.ebuild
\ No newline at end of file
diff --git a/overlay-enguarde/chromeos-base/chromeos-bsp-enguarde/files/wakeup_input_device_names b/overlay-enguarde/chromeos-base/chromeos-bsp-enguarde/files/wakeup_input_device_names
index 08e730c..802a74e 100644
--- a/overlay-enguarde/chromeos-base/chromeos-bsp-enguarde/files/wakeup_input_device_names
+++ b/overlay-enguarde/chromeos-base/chromeos-bsp-enguarde/files/wakeup_input_device_names
@@ -1 +1,2 @@
 Atmel maXTouch Touchpad
+Elan Touchpad