[PATCHv2] i2c: cadence: Enable power management

[Shubhrajyoti Datta]

On Wed, Oct 28, 2015 at 11:34 AM, Shubhrajyoti Datta
<shubhrajyoti.datta at xilinx.com> wrote:
> Currently the clocks are enabled at probe and disabled at remove.
> This patch enables the clocks at the start of transfer and disables
> after it.
>
> Also adapts to runtime pm.
> Remove xi2c->suspended and use pm runtime status instead.
>
> converts dev pm to const to silence a checkpatch warning.
>
Please ignore this patch