Make it easier to specify a custom kernel configuration for the boot floppies.
Make it easier to specify a custom kernel configuration for the boot
floppies.

PR:		misc/36032
Submitted by:	David Yeske <dyeske@yahoo.com>
MFC after:	1 week

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase