Add McBSP hwmod data for OMAP3.

Added a revision member inorder to facilitate the driver to
differentiate between mcbsp in different omap.
Signed-off-by: NCharulatha V <charu@ti.com>
Signed-off-by: NKishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: NShubhrajyoti D <shubhrajyoti@ti.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>