Combine consecutive, mutually-exclusive status checks

[thnkslprpt]

Checklist

• [x] I reviewed the Contributing Guide.
• [x] I performed a cursory search to see if the bug report is relevant, not redundant, nor in conflict with other tickets.

Describe the bug A few cases of consecutive, mutually exclusive status checks in CS.

Code snips https://github.com/nasa/CS/blob/ed72e157f91341412afd0ea64a6f705800798e79/fsw/src/cs_init.c#L64-L71 https://github.com/nasa/CS/blob/ed72e157f91341412afd0ea64a6f705800798e79/fsw/src/cs_init.c#L112-L120

Expected behavior Combine into if/else constructs - clearer and reduces evaluations.

Reporter Info Avi Weiss @thnkslprpt