[PATCH][GAS]Add support for -mcpu=marvell-whitney

[Nicholas Clifton]

Hi Xingxing,

>       2014-12-18  Xingxing Pan <xxingpan@marvell.com>
>
>           * gas/config/tc-arm.c (arm_cpus): Add core marvell-whitney.

Approved and applied.

Cheers
   Nick