[PATCH, M68K] Add support for MCF5441x family

[Nick Clifton]

Hi Maxim,

> The following patch adds support for MCF5441x family of ColdFire CPUs; 
> basically, it only adds new registers: ACR[4-7] and RGPIOBAR.
> 
> The patch also fixes several small issues along the way.
> 
> OK to check in?

Approved - please apply.

Cheers
   Nick