RISC-V: ACPI: enable parsing the BGRT table
The BGRT table is used to display a vendor logo during the boot process.
Add the code for parsing it.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
Link: https://lore.kernel.org/r/20250729131535.522205-2-heinrich.schuchardt@canonical.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
authored by