samples: bluetooth: hci_uart: update nrf52840_pca10090 config
samples: bluetooth: hci_uart: update nrf52840_pca10090 config

Enable the GPIO reset pin feature of nrf52840_pca10090
on pin P1.02 and the wait NOP feature of the controller.
These are used to let nrf9160_pca10090 synchronize the
HCI communication with nrf52840_pca10090 controllers.

Signed-off-by: Emanuele Di Santo <58b3ebaa556fff9ee88aab1044a35f0af0dd7061@nordicsemi.no>

zephyrproject-rtos/zephyr,ldts/zephyr,Vudentz/zephyr,zephyrproject-rtos/zephyr,nashif/zephyr,finikorg/zephyr,finikorg/zephyr,ldts/zephyr,Vudentz/zephyr,zephyrproject-rtos/zephyr,Vudentz/zephyr,galak/zephyr,nashif/zephyr,Vudentz/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,GiulianoFranchetto/zephyr,ldts/zephyr,finikorg/zephyr,finikorg/zephyr,Vudentz/zephyr,finikorg/zephyr,nashif/zephyr,GiulianoFranchetto/zephyr,galak/zephyr,galak/zephyr,GiulianoFranchetto/zephyr,nashif/zephyr,GiulianoFranchetto/zephyr,nashif/zephyr,galak/zephyr,ldts/zephyr,Vudentz/zephyr,GiulianoFranchetto/zephyr,ldts/zephyr