Pick correct firmware directory. Read the target kernel version and use
authorsdk <sdk@openbsd.org>
Thu, 3 Mar 2022 10:12:08 +0000 (10:12 +0000)
committersdk <sdk@openbsd.org>
Thu, 3 Mar 2022 10:12:08 +0000 (10:12 +0000)
commit996cf3d1fb3f86968a4b2546bfe6f3ef7fd0883c
tree7725a75738498cc57bbbbd339fa199a8a8a66942
parent99d6eeb8fc25f8a969b40e13623f1023d11074d8
Pick correct firmware directory. Read the target kernel version and use
the release directory for everything except -current.

OK afresh1@
usr.sbin/sysupgrade/sysupgrade.sh