Preparation for sync with Linus.

[Jarkko Lavinen]

> In the meantime, if there's anything you don't like about the current set 
> of changes, now would be a good time to shout.

Hi David,

if the chip has sectors locked after cold boot, currently I have to either 
run unlock command or add a call to unlock function into the map driver.

Should chip driver unlock sectors if chip is detected and the sectors are 
suspected to be locked?

Jarkko Lavinen