Spell *Boot Guard* with a space for official spelling
See for example Intel document *Secure the Network Infrastructure –
Secure Boot Methodologies* [1].
Change all occurrences with the command below:
$ git grep -l BootGuard | xargs sed -i 's/BootGuard/Boot Guard/g'
[1]: https://builders.intel.com/docs/networkbuilders/secure-the-network-infrastructure-secure-boot-methodologies.pdf
Change-Id: I69fb64b525fb4799bcb9d75624003c0d59b885b5
Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60136
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>