flashtool: allow type U (update-package)

Origin commit data
------------------
Branch: ni/coolstream
Commit: d925655c3b
Author: vanhofen <vanhofen@gmx.de>
Date: 2017-02-06 (Mon, 06 Feb 2017)

Origin message was:
------------------
- flashtool: allow type U (update-package)

------------------
No further description and justification available within origin commit message!

------------------
This commit was generated by Migit

src/system/flashtool.cpp

@@ -517,6 +517,8 @@ const char *CFlashVersionInfo::getReleaseCycle(void) const
 
 const char *CFlashVersionInfo::getType(void) const
 {
+	// TODO: localize it
+
 	switch (snapshot)
 	{
 	case '0':
@@ -531,6 +533,8 @@ const char *CFlashVersionInfo::getType(void) const
 		return "Settings";
 	case 'A':
 		return "Addon";
+	case 'U':
+		return "Update";
 	case 'T':
 		return "Text";
 	default: