[V1] mfd: Convert pm860x to use regmap api

[Mark Brown]

On Thu, Nov 10, 2011 at 07:43:26PM +0800, Jett.Zhou wrote:
> Convert the register read/write code to use the register map API. We
> still need some pm860x specific code and locking in place to make sure
> test page read/write can not be interrupted by other i2c operation based
> on pm860x chip;

Reviewed-by: Mark Brown <broonie at opensource.wolfsonmicro.com>

I'm assuming that the interruptions come from the fact that there's two
I2C clients?

> Change-Id: I4d5c616d021ff62672477b9e08e118985c4d6af0

Don't include these in kernel submissions, they're only meaningful
within your private Gerrit install.