pvr: Generate unpack functions in csbgen
This is a series of ten python cleanup patches and a final patch to add *_unpack()
functions which mirror the existing *_pack()
functions.
Signed-off-by: Matt Coster <matt.coster@imgtec.com>
Reviewed-by: Frank Binns <frank.binns@imgtec.com>
Edited by Matt Coster