[astro][display] Increase LCD power down/up delay

ZX-4112

Current delays used for LCD power on and off seem to be too short and
does not allow the LCD to completely power off and therefore
communication with LCD becomes impossible. This CL increases the delay
to match the recommended delay values from vendor

Test: Manually power cycle the units more than 100 times. display
initialization succeeded. Furthermore, called DisplayInit in a loop with
and without the change and confirmed the issue does not occur with the
new delay values.

Change-Id: Ib2d02442329543f762c3cee4d6b5dac2dc2efbfd
1 file changed
tree: 06ba783bcafdccf35b5cc6f302f107c81c69f25e
  1. boards/
  2. build/
  3. buildtools/
  4. bundles/
  5. docs/
  6. examples/
  7. garnet/
  8. infra/
  9. peridot/
  10. products/
  11. scripts/
  12. sdk/
  13. src/
  14. third_party/
  15. tools/
  16. zircon/
  17. .clang-format
  18. .clang-tidy
  19. .dir-locals.el
  20. .gitattributes
  21. .gitignore
  22. .gn
  23. AUTHORS
  24. BUILD.gn
  25. CODE_OF_CONDUCT.md
  26. CONTRIBUTING.md
  27. LICENSE
  28. OWNERS
  29. PATENTS
  30. README.md
  31. rustfmt.toml
README.md

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