[Inteface_USB/MCP2210] Swap USB and SPI pins positions
As discussed in https://github.com/KiCad/kicad-symbols/pull/2094#issuecomment-546597392, here is my pull request to swap the USB and SPI pins on the MCP2210.
Actual version: With pins swapped:
The new symbol is a bit longer but more coherent with the functionalities of the component: USB and control (reset/osc) on the left, SPi and GPIOs on the right: