UBI and the oldest support Fedora (37) now all have go 1.19, so we are
cleared to switch.
gofmt now reformats comments in certain cases, so that explains the formatting
changes in this commit.
See https://go.dev/doc/go1.19#go-doc
Signed-off-by: Ondřej Budai <ondrej@budai.cz>
Explicitly set the kernel to boot into.
Also change the blueprint/kernenl handling:
Rather than only falling back to the default kernel name for
getting the package list, let GetKernel() always return the
correct result so we can rely on this being consistent.
Signed-off-by: Tom Gundersen <teg@jklm.no>
