[PATCH ARM] add support for mcpu=marvell-pj4

[nick clifton]

Hi Hsu,

> 2013-01-31	Yi-Hsiu, Hsu	<ahsu@marvell.com>
>
> 	* gas/config/tc-arm.c (arm_cpus): add support for mcpu=marvell-pj4 core.

Approved - please apply.

Cheers
   Nick