ASoC: fsl_asrc: define functions for memory to memory usage

ASoC: fsl_asrc: define functions for memory to memory usage

ASRC can be used on memory to memory case, define several
functions for m2m usage.

m2m_prepare: prepare for the start step
m2m_start: the start step
m2m_unprepare: unprepare for stop step, optional
m2m_stop: stop step
m2m_check_format: check format is supported or not
m2m_calc_out_len: calculate output length according to input length
m2m_get_maxburst: burst size for dma
m2m_pair_suspend: suspend function of pair, optional.
m2m_pair_resume: resume function of pair
get_output_fifo_size: get remaining data size in FIFO

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Acked-by: Jaroslav Kysela <perex@perex.cz>
Link: https://patch.msgid.link/20241212074509.3445859-3-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>