shill: Add WiMAX technology type.

BUG=chromium-os:30308
TEST=Build and run unit tests.

Change-Id: I2cff5e2ab66473a95a47f647ed9dc6fc3fe74aac
Reviewed-on: https://gerrit.chromium.org/gerrit/21525
Reviewed-by: Paul Stewart <pstew@chromium.org>
Reviewed-by: Darin Petkov <petkov@chromium.org>
Tested-by: Ben Chan <benchan@chromium.org>
Commit-Ready: Ben Chan <benchan@chromium.org>
diff --git a/technology.h b/technology.h
index 67038bc..7c01bf9 100644
--- a/technology.h
+++ b/technology.h
@@ -20,6 +20,7 @@
     kEthernet,
     kWifi,
     kWiFiMonitor,
+    kWiMax,
     kCellular,
     kVPN,
     kTunnel,