acpi: acpi_table: Add IORT support

The SoC can implement acpi_fill_iort to update the IORT table.
Add a helper function to fill out the NAMED_COMPONENT node.

TEST=Run FWTS V24.03.00 on RPi4 and round no problems.

Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Cc: Simon Glass <sjg@chromium.org>
2 files changed