ipmi: start implementing flashAbort

Change-Id: I1a05ba7e9323046a09b8582351be987cdaab5a15
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/flash-ipmi.cpp b/flash-ipmi.cpp
index 69002f7..4588b5b 100644
--- a/flash-ipmi.cpp
+++ b/flash-ipmi.cpp
@@ -73,3 +73,9 @@
     /* TODO: implement. */
     return false;
 }
+
+bool FlashUpdate::abortUpdate()
+{
+    /* TODO: implement. */
+    return false;
+}