Docs: Fix broken links, warnings and use automodule (#11)

- Fixes the broken links in rocm_smi.h
- Uses automodule instead of autofunction in docs/reference/python_api.rst
- Fixes some warnings during docs build
- Update some of the versions in requirements.txt

[ROCm/rocm_smi_lib commit: fc61e40506]

projects/rocm-smi-lib/docs/tutorials/test.rst

@@ -1 +1 @@
-
+:orphan: