dts/bindings: Remove id field from inventek,eswifi
dts/bindings: Remove id field from inventek,eswifi

inventek,eswifi.yaml had the old id field that we have removed.  Remove
it so we stop getting a warning about it.

Signed-off-by: Kumar Gala <a5e5248af4cd4f0ed8c515f61d40a6e2db46a66e@linaro.org>

zephyrproject-rtos/zephyr,finikorg/zephyr,nashif/zephyr,galak/zephyr,nashif/zephyr,GiulianoFranchetto/zephyr,nashif/zephyr,nashif/zephyr,Vudentz/zephyr,zephyrproject-rtos/zephyr,GiulianoFranchetto/zephyr,GiulianoFranchetto/zephyr,explora26/zephyr,finikorg/zephyr,Vudentz/zephyr,galak/zephyr,Vudentz/zephyr,ldts/zephyr,ldts/zephyr,ldts/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,nashif/zephyr,explora26/zephyr,finikorg/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,explora26/zephyr,punitvara/zephyr,Vudentz/zephyr,GiulianoFranchetto/zephyr,Vudentz/zephyr,Vudentz/zephyr,GiulianoFranchetto/zephyr,ldts/zephyr,finikorg/zephyr,punitvara/zephyr,punitvara/zephyr,punitvara/zephyr,zephyrproject-rtos/zephyr,explora26/zephyr,finikorg/zephyr,explora26/zephyr,punitvara/zephyr,ldts/zephyr