servo: add Obiwan overlay

Obiwan uses Strauss's keyboard.

BUG=b:411242422
TEST=sudo servod -b skywalker -m obiwan

Change-Id: Idb8db2771f99bc158057e637cdd30e4a33cb10bc
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/hdctools/+/6561698
Tested-by: Yang Wu <wuyang5@huaqin.corp-partner.google.com>
Reviewed-by: Shawn Ku <shawnku@chromium.org>
Reviewed-by: Kenny Pan <kennypan@google.com>
Reviewed-by: 488603086791@cloudbuild.gserviceaccount.com <488603086791@cloudbuild.gserviceaccount.com>
Commit-Queue: Kenny Pan <kennypan@google.com>
diff --git a/servo/data/servo_skywalker_obiwan_overlay.xml b/servo/data/servo_skywalker_obiwan_overlay.xml
new file mode 100644
index 0000000..7ac4b90
--- /dev/null
+++ b/servo/data/servo_skywalker_obiwan_overlay.xml
@@ -0,0 +1,13 @@
+<root>
+  <include>
+    <name>servo_skywalker_overlay.xml</name>
+  </include>
+  <!-- obiwan has matrix v30 -->
+  <control>
+    <name>init_keyboard</name>
+    <doc>initialize keyboard handler</doc>
+    <params  map="onoff" init="on" drv="kb_handler_init" interface="servo"
+      subtype="init_default_keyboard" handler_type="ChromeMatrix30" clobber_ok=''>
+    </params>
+  </control>
+</root>