Merge pull request #1 from darkwaterfoundation/development

Development
Merge pull request #2 from darkwaterfoundation/development

Updated readme
Merge pull request #3 from darkwaterfoundation/development

Development
Merge pull request #4 from darkwaterfoundation/development

Updated dts and dtbo to have more consistent pam names
set default frequency to 50hz for pwm pins