Fix WiFi Connect

[AdrianSoundy]

Description

The original code didn't take in to account of the call being async. It only started the WiFi connect.
Added logic to wait for the station to be connected or a failure.

Added new events to nanClr to allow for waitEvents to be used.

Also fixed another problem if you used option of no Auto connect. It would disable the WiFi as the Auto_COnnect option includes the Enable flag.

Motivation and Context

• Fixes WiFiAdapter.Connect() method does not return an error when using wrong password Home#774

How Has This Been Tested?

Tested with WiFi sample plus some other test cases

Types of changes

• Improvement (non-breaking change that improves a feature, code or algorithm)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Config and build (change in the configuration and build system, has no impact on code or features)
• Dependencies (update dependencies and changes associated, has no impact on code or features)
• Unit Tests (work on Unit Tests, has no impact on code or features)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[nfbot]

@AdrianSoundy there are issues with the code style on the source files.
A PR was submitted with the code style fixes. Please click https://github.com/AdrianSoundy/nf-interpreter/pull/30, review the changes if you want and merge it.

Make sure to follow the project code style. Check the details here on how it works and the tools required to help you with that.