ASoC: spacemit: add failure check for spacemit_i2s_init_dai()

ASoC: spacemit: add failure check for spacemit_i2s_init_dai()

Add error handling when memory allocation for dai fails in
spacemit_i2s_init_dai() call.

Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/all/aPtiNCZ_KBezL2Dr@stanley.mountain/#t
Fixes: fce217449075 ("ASoC: spacemit: add i2s support for K1 SoC")
Signed-off-by: Troy Mitchell <troy.mitchell@linux.spacemit.com>
Closes: tag.  It would be easy to make the argument that the
Link: https://patch.msgid.link/20251028-fix-k1-i2s-v2-1-a547c15ed5c3@linux.spacemit.com
Signed-off-by: Mark Brown <broonie@kernel.org>