git subrepo push common

subrepo:
  subdir:   "common"
  merged:   "54b2470a8"
upstream:
  origin:   "git+ssh://git@github.com/trezor/trezor-common"
  branch:   "master"
  commit:   "54b2470a8"
git-subrepo:
  version:  "0.4.0"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "5d6aba9"

common/.gitrepo

@@ -6,7 +6,7 @@
 [subrepo]
 	remote = git+ssh://git@github.com/trezor/trezor-common
 	branch = master
-	commit = 669fc83eb0fdc8c5aecbfc5a4ae328d1ef66e786
-	parent = 7646b97dca78c2343bff68458ff7fb694e3e004f
+	commit = 54b2470a8b57d7a6406562cb8268a3786583a8da
+	parent = 21b6ab3e982c87c0fdd82d213bdf22f95c23fbb2
 	method = rebase
 	cmdver = 0.4.0