Make it easier to understand what the reg in those nodes is by using the
constants provided by qcom,q6dsp-lpass-ports.h.

Name nodes according to dt-binding expectations.

Fix for
```
arch/arm64/boot/dts/qcom/sdm845-oneplus-enchilada.dtb: service@4: dais: Unevaluated properties are not allowed ('qi2s@22', 'qi2s@23' were unexpected)
```

Fixes: b7b73428 ("arm64: dts: qcom: sdm845-oneplus-*: add audio devices")
Signed-off-by: David Heidelberg <david@ixit.cz>
Reviewed-by: Luca Weiss <luca@z3ntu.xyz>
Link: https://lore.kernel.org/r/20231229200245.259689-1-david@ixit.czSigned-off-by: Bjorn Andersson <andersson@kernel.org>