ports/psoc6: PSoC6 Infineon fork patch.

[jaenrig-ifx]

Removal of ports-psoc6-ifx branch as it does not really serve the purpose of having a ports-psoc6-main from which we can rise a PR.

[github-actions]

Code size report:

   bare-arm:    +0 +0.000% 
minimal x86:    +0 +0.000% 
   unix x64:    +0 +0.000% standard
      stm32:   +48 +0.012% PYBV10
     mimxrt:   +44 +0.012% TEENSY40
        rp2:   +48 +0.005% RPI_PICO_W
       samd:   +48 +0.018% ADAFRUIT_ITSYBITSY_M4_EXPRESS