mb,soc/intel: Rename acpi_fill_in_fadt() to acpi_fill_fadt()

mb,soc/intel: Rename acpi_fill_in_fadt() to acpi_fill_fadt()

Change-Id: I9025ca3b6b438e5f9a790076fc84460342362fc2
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41919
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Frans Hendriks <fhendriks@eltan.com>
Reviewed-by: Wim Vervoorn <wvervoorn@eltan.com>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>