ASoC: amd: acp: Fix signedness bug in renoir_audio_probe()

The "adata->i2s_irq" is unsigned so this error handling will not
work.

Fixes: 3304a242

 ("ASoC: amd: Use platform_get_irq_byname() to get the interrupt")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20220304131449.GC28739@kili


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