Add support for SFE 780. Register header files are updated.
This change also includes new IRQ and port for SFE 780 along
with some debug enhancement.
CRs-Fixed: 2948116
Change-Id: I3e83ad275212fd73e1ce9dce0dc18970ff036351
Signed-off-by: Chandan Kumar Jha <cjha@codeaurora.org>