tests/qtest/ufs-test: Prepare for MCQ test

In legacy doorbell mode, the command descriptor slot matched
the UTRD slot. To maintain consistency in MCQ mode, command descriptor
slot allocation and deallocation now use a bitmap-based approach.

Acked-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Jeuk Kim <jeuk20.kim@samsung.com>
1 file changed