Add ABB device nodes for DRA7 family of devices. Data is based on
DRA7 Technical Reference Manual revision I (Sept 2013)
Signed-off-by: NNishanth Menon <nm@ti.com>
Signed-off-by: NMugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>