[axg][gpio] Add Drive Strength support for GPIOs

- Added drive strength support for AXG
- A113 Doesn't support drive strengths, nothing in datasheet

ZX-3935 #progress

Test: Boot up on Sherlock & cam_sensor clk is good now

Change-Id: I833ba3440623e47452bc725fdf6fc04704c0330e
4 files changed
tree: d873352de6a6a1bb641aec53a6f5842966c81c09
  1. boards/
  2. build/
  3. buildtools/
  4. bundles/
  5. docs/
  6. examples/
  7. garnet/
  8. peridot/
  9. products/
  10. scripts/
  11. sdk/
  12. src/
  13. third_party/
  14. tools/
  15. zircon/
  16. .clang-format
  17. .dir-locals.el
  18. .gitattributes
  19. .gitignore
  20. .gn
  21. AUTHORS
  22. BUILD.gn
  23. CODE_OF_CONDUCT.md
  24. CONTRIBUTING.md
  25. LICENSE
  26. OWNERS
  27. PATENTS
  28. README.md
  29. rustfmt.toml
README.md

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