OMAP5 uevm: enable TCA6424 interrupts

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
extcon-gpio: fixed initialization for unspecified parameters in DT

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Pyra DT: added bq27421 alternative; tried to fix tca6424 interrupts

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
GTA04 tests: allow to test the TS3A225E microphone detector

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>