ASoC: dt-bindings: fsl_rpmsg: Add compatible string for i.MX95

Add compatible string for i.MX95 platform which supports audio
function through rpmsg channel between Cortex-A and Cortex-M core.

Signed-off-by: Chancel Liu <chancel.liu@nxp.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20240626071202.7149-1-chancel.liu@nxp.com


Signed-off-by: Mark Brown <broonie@kernel.org>