Group the array of pointers to the timing tables with the timing register masks
which allows us to merge HPT36x/HPT37x set_dma_mode() methods into one.
Signed-off-by: NSergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>