Add myself and Benoît as co-maintainers of the OMAP hwmod core code.
(The OMAP hwmod code manages the integration of IP blocks on the OMAP SoC
family.)

Add Benoît as the maintainer of OMAP4-based SoC hwmod mode.
Signed-off-by: NPaul Walmsley <paul@pwsan.com>
Signed-off-by: NBenoît Cousson <b-cousson@ti.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>