Adding hwmod data for CPSW and MDIO which is present in DRA7xx SoC

Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: NMugunthan V N <mugunthanvnm@ti.com>
Tested-by: NSebastian Andrzej Siewior <sebastian@breakpoint.cc>
Acked-by: NTony Lindgren <tony@atomide.com>
Signed-off-by: NPaul Walmsley <paul@pwsan.com>