[U-Boot] [U-Boot, 05/11] efi_loader: console support for color attributes

[Alexander Graf]

> Shell.efi uses this, and supporting color attributes makes things look
> nicer.  Map the EFI fg/bg color attributes to ANSI escape sequences.
> Not all colors have a perfect match, but spec just says "Devices
> supporting a different number of text colors are required to emulate the
> above colors to the best of the device’s capabilities".
> 
> Signed-off-by: Rob Clark <robdclark at gmail.com>
> Tested-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
> Reviewed-by: Alexander Graf <agraf at suse.de>

Thanks, applied to efi-next

Alex