Small fixes for the Ebony device tree

[Segher Boessenkool]

Just a few more things...

>  	plb {
> -		device_type = "ibm,plb";
>  		compatible = "ibm,plb-440gp", "ibm,plb4";

You match on "ibm,plb" though.  Well you got one
in three right ;-)

> +		SDRAM0: memory-controller {
>  			compatible = "ibm,sdram-440gp", "ibm,sdram";

"ibm,sdram" is way too generic to ever be usefully
used for device matching.

> +		SRAM0: sram {
> +			compatible = "ibm,sram440gp";

You spell this one without a dash, all others with one.


Segher