use of grub2-mkconfig -o /boot/grub2/grub.cfg results in no "fips=1" directives (need to update /etc/default/grub)

[testedinproduction]

use of grub2-mkconfig -o /boot/grub2/grub.cfg results in no "fips=1" directives (need to update /etc/default/grub)

/etc/default/grub needs the additional configs so that when grub2-mkconfig -o /boot/grub2/grub.cfg will actually receive "fips=1" directives. I had to redo the grub.cfg file due to blacklisting a nouevo (spelling), and that ended up in dropping fips.

See https://access.redhat.com/discussions/3487481 for some specifics, but in particular:
echo 'GRUB_CMDLINE_LINUX_DEFAULT="fips=1"' >> /etc/default.grub

Thanks Frank
RJ