SAMA5D4: Completes PMC modifications for the SAMA5D4
Config/build changes to better support the RTL8187
SAMA5D4: update ISI register definition header file
SAMA5D4: More header file changes
SAMA5D4:  Add EMAC header file
SAMA5D4: Updated EMAC header file
SAMA5:  Back out most of commit c37b5b7b97d0644743c04f2c3d9e2b7ef9f5d698.  Things are going to have to be done differently
Add logic to select between incompatible SAMA5D3 and SAMA5D4 EMAC header files
SAMA5D4: Update LCDC header file
IOB: remove flags
Move SAMA5D3 MPDDRC definitions to a separate header file
RTL8187: Fix include path for arp.h
SAMA5D4: Add MPDDRC file (incomplete)
SAMA5D4: Complete MPDDR header file
SAMA5D4: update MATRIX register definitions for the SAMA5D4
Updates to get the SAMA5D3 building again
STM32: Expicitly include header file files.  From Freddie Chopin
SAMA5D3/4:  More renaming.  Change SAMA5D3 EMAC to EMACA and SAMA5D4 to EMACB so that the configuration and build system can configure them.  I might come up with something better later
Update to RTL8197 driver from Alan Carvalho de Assis
SAMA5D4: Still trying to reconcile Ethernet interfaces