Update sdma firmware to v3.6/v4.6:
-- add i2c script.
-- update multi-fifo SAI scripts to support multi-lans-per-fifo.
-- add dual fifo support for p_2_p on i.mx7d as i.mx6.
-- add 24bit support for multi-fifo script.
Signed-off-by: Joy Zou <joy.zou@nxp.com>
Joy Zou