With the pmbootstrap change let's change the deviceinfo variable names
to the non-deprecated version.
[ci:ignore-count]
[ci:skip-build]: already built successfully in CI
linux-postmarketos-mediatek-mt6735 6.1.9 added full display support and hardware acceleration
as well as haptics. Add a phoc configuration file to set the display scale, and a feedbackd
theme to optimize vibration durations. Route console output to UART to leave the splash
screen clean and to help with debugging when necessary.
[ci:skip-build] already built successfully in CI
