Fix bulk transfers on Pi 4
VCHIQ bulk transfers on Pi 4 use a different page list format, in order to allow full use of the larger 36bit physical address space. Update our vchiq_prepare_bulk_data implementation to use this new format when necessary.
VCHIQ bulk transfers on Pi 4 use a different page list format, in order to allow full use of the larger 36bit physical address space. Update our vchiq_prepare_bulk_data implementation to use this new format when necessary.