acpi: Add ACPITAB for PPTT and GTDT

Return the ACPI table revision in acpi_get_table_revision() for
PPTT and GTDT. Match both to ACPI 6.2.

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