Add additional files to import from Heimdal

Import more RFC3961 crypto definitions from Heimdal, so we can
support a wider variety of encryption algorithms

Also pick up the new mkdir, otherwise we get linker errors.

Reviewed-on: http://gerrit.openafs.org/10044
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Simon Wilkinson <simonxwilkinson@gmail.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
(cherry picked from commit 50fa08813b0fa68135e292fa76ce50ee75142884)

Change-Id: I73b85e75f608a0987936a3af432444d0b3fe332d
Reviewed-on: http://gerrit.openafs.org/10055
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>