lima: fix width 4096 resolution GP fail
When width=4096 and shift_w=0, block_w=0x100 which overflow the PLBU_CMD 8 bits for it.
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
When width=4096 and shift_w=0, block_w=0x100 which overflow the PLBU_CMD 8 bits for it.