I2S mode register field will be set to 1 when tdm mode is enabled.
Update the I2S mode field based on tdm_mode flag check.

This will fix below smatch checker warning.

sound/soc/amd/acp/acp-i2s.c:59 acp_set_i2s_clk()
	warn: odd binop '0x0 & 0x2'

Fixes: 40f74d5f ("ASoC: amd: acp: refactor acp i2s clock
	generation code")
Reported-By: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Syed Saba Kareem <Syed.SabaKareem@amd.com>
Link: https://lore.kernel.org/r/20231031135949.1064581-3-Syed.SabaKareem@amd.comSigned-off-by: Mark Brown <broonie@kernel.org>