[U-Boot] [PATCH V3 1/2] Add env vars describing U-Boot target board

[Wolfgang Denk]

Dear Stephen Warren,

In message <1337714515-6575-1-git-send-email-swarren at wwwdotorg.org> you wrote:
> From: Stephen Warren <swarren at nvidia.com>
> 
> This can be useful for generic scripts. For example, rather than hard-
> coding a script to ext2load tegra-harmony.dtb, it could load
> ${soc}-${board}.dtb and hence not need adjustments to run on multiple
> boards.
> 
> Signed-off-by: Stephen Warren <swarren at nvidia.com>

This patch breaks the BC3450 board:

Configuring for BC3450 board...
   text    data     bss     dec     hex filename
 289722   20652  284640  595014   91446 /work/wd/tmp-ppc/u-boot
cmd_bc3450.c:55:0: warning: "CONFIG_SYS_CPU" redefined [enabled by default]
/work/wd/tmp-ppc/include/config.h:3:0: note: this is the location of the previous definition


Please fix.

Best regards,

Wolfgang Denk

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