a71-common: releasetools: be more clear about firmware image patching

* This looks very odd on most of the devices using this tree because nothing is being patched.
* Just mention which image is being flashed and only when it actually is.

Change-Id: I8a9061fd83d20c7f8141111902d3e2663f7a1783

releasetools/releasetools.py

@@ -19,9 +19,9 @@ def AddImage(info, basename, dest):
 
   data = info.input_zip.read(path)
   common.ZipWriteStr(info.output_zip, basename, data)
+  info.script.Print("Patching {} image unconditionally...".format(dest.split('/')[-1]))
   info.script.AppendExtra('package_extract_file("%s", "%s");' % (basename, dest))
 
 def OTA_InstallEnd(info):
-  info.script.Print("Patching firmware images...")
   AddImage(info, "dtbo.img", "/dev/block/bootdevice/by-name/dtbo")
   AddImage(info, "vbmeta.img", "/dev/block/bootdevice/by-name/vbmeta")