Hide the detail of allocation from cbmem from the FSP.
Loading of a BMP logo file from CBFS is not tied to FSP
version and we do not need two copies of the code, move
it under lib/.
Change-Id: I909f2771af534993cf8ba99ff0acd0bbd2c78f04
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50359
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
