watchdog: Implements the Watchdog Get Command

Change-Id: I2ba9fd0eeba4e828cafd1bcf6fe30e2322eaf99e
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/apphandler.h b/apphandler.h
index 89bb51b..7e86442 100644
--- a/apphandler.h
+++ b/apphandler.h
@@ -13,6 +13,7 @@
     IPMI_CMD_GET_DEVICE_GUID        = 0x08,
     IPMI_CMD_RESET_WD               = 0x22,
     IPMI_CMD_SET_WD                 = 0x24,
+    IPMI_CMD_GET_WD                 = 0x25,
     IPMI_CMD_GET_CAP_BIT            = 0x36,
     IPMI_CMD_GET_SYS_GUID           = 0x37,
     IPMI_CMD_SET_CHAN_ACCESS        = 0x40,