raop: Add settings for timing and control ports

[postlund]

Relates to #1910

[codecov[bot]]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.01% :tada:

Comparison is base (2808c5d) 88.95% compared to head (673c3a1) 88.97%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #2180 +/- ## ========================================== + Coverage 88.95% 88.97% +0.01% ========================================== Files 167 167 Lines 11339 11343 +4 ========================================== + Hits 10087 10092 +5 + Misses 1252 1251 -1 ``` | [Files Changed](https://app.codecov.io/gh/postlund/pyatv/pull/2180?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Pierre+St%C3%A5hl) | Coverage Δ | | |---|---|---| | [pyatv/protocols/raop/\_\_init\_\_.py](https://app.codecov.io/gh/postlund/pyatv/pull/2180?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Pierre+St%C3%A5hl#diff-cHlhdHYvcHJvdG9jb2xzL3Jhb3AvX19pbml0X18ucHk=) | `97.01% <100.00%> (-0.02%)` | :arrow_down: | | [pyatv/protocols/raop/stream\_client.py](https://app.codecov.io/gh/postlund/pyatv/pull/2180?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Pierre+St%C3%A5hl#diff-cHlhdHYvcHJvdG9jb2xzL3Jhb3Avc3RyZWFtX2NsaWVudC5weQ==) | `90.79% <100.00%> (+0.34%)` | :arrow_up: | | [pyatv/settings.py](https://app.codecov.io/gh/postlund/pyatv/pull/2180?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Pierre+St%C3%A5hl#diff-cHlhdHYvc2V0dGluZ3MucHk=) | `100.00% <100.00%> (ø)` | |

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