If LOWVECTORS is selected, then we need to clear the VBAR register.  A bootloader may have left the VBAR in an bad state

SAMA5: Make sure the MMU and caches are disabled on power up; flush the vector region D-Cache after copying interrupt vectors; make sure that D-Cache, I-Cache, and TLBs are invalidated after modifying the AXI MATRIX remapping

sscanf(): Was returning the wrong number of conversions in many cases; Also, needs to return EOF if there were no conversions

SAMA5D3x-EK: Change name of all board-specific configuration variables so that there are no collisions with names of similar variables for other boards

SAM4E-EK:  Remove bogus LCD driver; replace with information that might be useful to someone who wants to develop an LCD driver for the SAM4E-EK