drivers: gpio: esp32: Configure GPIO drive strength
drivers: gpio: esp32: Configure GPIO drive strength

Configuring an open drain driver is required by the I2C driver,
but the GPIO driver didn't support setting the drive strength.

Signed-off-by: Leandro Pereira <51c7437a02b34df685e6b4ecb2e9bca23efe2e1a@intel.com>

mbolivar/zephyr,finikorg/zephyr,Vudentz/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,ldts/zephyr,Vudentz/zephyr,aceofall/zephyr-iotos,finikorg/zephyr,Vudentz/zephyr,punitvara/zephyr,GiulianoFranchetto/zephyr,explora26/zephyr,kraj/zephyr,nashif/zephyr,galak/zephyr,kraj/zephyr,zephyrproject-rtos/zephyr,punitvara/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,mbolivar/zephyr,finikorg/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,aceofall/zephyr-iotos,ldts/zephyr,zephyrproject-rtos/zephyr,Vudentz/zephyr,fbsder/zephyr,explora26/zephyr,galak/zephyr,punitvara/zephyr,aceofall/zephyr-iotos,explora26/zephyr,kraj/zephyr,mbolivar/zephyr,explora26/zephyr,kraj/zephyr,zephyriot/zephyr,GiulianoFranchetto/zephyr,punitvara/zephyr,ldts/zephyr,explora26/zephyr,mbolivar/zephyr,ldts/zephyr,fbsder/zephyr,zephyriot/zephyr,ldts/zephyr,GiulianoFranchetto/zephyr,kraj/zephyr,nashif/zephyr,punitvara/zephyr,finikorg/zephyr,aceofall/zephyr-iotos,nashif/zephyr,galak/zephyr,aceofall/zephyr-iotos,Vudentz/zephyr,zephyriot/zephyr,fbsder/zephyr,fbsder/zephyr,zephyriot/zephyr,GiulianoFranchetto/zephyr,Vudentz/zephyr,nashif/zephyr,zephyriot/zephyr,nashif/zephyr,mbolivar/zephyr,GiulianoFranchetto/zephyr,fbsder/zephyr