git subrepo pull crypto

subrepo:
  subdir:   "crypto"
  merged:   "915b3dbbb"
upstream:
  origin:   "git+ssh://git@github.com/trezor/trezor-crypto"
  branch:   "master"
  commit:   "915b3dbbb"
git-subrepo:
  version:  "0.4.0"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "5d6aba9"

crypto/.gitrepo

@@ -6,7 +6,7 @@
 [subrepo]
 	remote = git+ssh://git@github.com/trezor/trezor-crypto
 	branch = master
-	commit = 0c622d62e1f1e052c2292d39093222ce358ca7b0
-	parent = 28e74b5e0ea544160fe6184e014438caa70fe826
+	commit = 915b3dbbbf58c262865647728a3463b8785fc965
+	parent = 6ad3294f31a1e7484b43c104ff2880b965198cad
 	method = rebase
 	cmdver = 0.4.0