[U-Boot] [PATCH 2/2][v2] Add readme of how to boot from espi flash for p4080ds.

[Wolfgang Denk]

Dear Kumar Gala,

In message <AA957E8D-3C9C-4C74-8FA4-11D5122ED01A at freescale.com> you wrote:
> 
> How does kwbimage.c work?  Does it just wrap the image generated by mkimage differently?  Can it take any additional input files?

It does take an additional input file.

We have several such externsion in "mkimage" now: Marvell has their
"kwbimage" format, Freescale has their "imximage" format. 

Best regards,

Wolfgang Denk

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