Add param.h files for recent FreeBSD

Add param.h files for recent FreeBSD

Add files for FreeBSD 10.4, 11.1, and 12.0 (12-CURRENT), for i386 and amd64.

Reviewed-on: https://gerrit.openafs.org/12863
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de>
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>
(cherry picked from commit 88dc4d93f5ef080da8f56fac453f095e6c79d4a0)

Change-Id: I6ddb0f03e209b0ce9c7ed1168c86a675d7802c23
Reviewed-on: https://gerrit.openafs.org/12888
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>