Kai Lueke 38a01288e1 sys-kernel: allow fips mode to be enabled
With this kernel config, users can boot with fips=1 set in
`/usr/share/oem/grub.cfg`:
```
set linux_append="fips=1"
```

Which triggers various behaviors, for FIPS 200 certification.

with this config compiled in, and that boot parameter, users can can
that fips is enabled with:
```
flatcar ~ # cat /proc/sys/crypto/fips_enabled
1
```
2022-01-31 15:07:36 +01:00
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image build and composition scripts for Flatcar Container Linux
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