[U-Boot] [PATCH v2] omap4: update maintainer for omap4 boards

[Paulraj, Sandeep]

> 
> Steve wants to transfer maintainership of OMAP4 boards
> to me as he is not working on these boards lately.
> 
> CC: Steve Sakoman <steve at sakoman.com>
> CC: Sandeep Paulraj <s-paulraj at ti.com>
> CC: Albert Aribaud <albert.u.boot at aribaud.net>
> CC: Wolfgang Denk <wd at denx.de>
> Signed-off-by: Aneesh V <aneesh at ti.com>
> ---
> V2:
> * Re-arranged by alphabetical order of names
> ---

Pushed to u-boot-ti/next