PORTENTA: Reduce the heap to fit Eth descriptors.
PORTENTA: Reduce the heap to fit Eth descriptors.

* Must reduce the heap for eth descriptors to fit.

openmv/openmv,iabdalkader/openmv,iabdalkader/openmv,iabdalkader/openmv,openmv/openmv,kwagyeman/openmv,kwagyeman/openmv,kwagyeman/openmv,openmv/openmv,openmv/openmv,kwagyeman/openmv,iabdalkader/openmv