tests/qtest/ide-test: add a multi-sector ATAPI DMA read test test_cdrom_pio_large() already exercises a multi-sector PIO read. Add the DMA counterpart through the same cdrom_read_impl() helper so the multi-block ATAPI DMA read path gets equivalent coverage. Signed-off-by: Denis V. Lunev <den@openvz.org> (cherry picked from commit fe543c2d787a611f1efa34107818a8eee90bb5dc) Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>