OLED and GPS incompatible

[oscgonfer]

OLED and GPS are not compatible at the moment, because of the speed required on the I2C bus for the screen.

The only option for now to solve this is to comment:

smartcitizen-kit-2x/sam/src/SckAux.cpp

Line 1193 in 1e73f1e

u8g2_oled.setBusClock(1000000); // 1000000 -> 68 ms for a full buffer redraw

This makes the refresh rate slower for the screen, but potentially enough. As a next step, changing the bus speed dynamically would potentially be a solution.