[U-Boot] cross compiling fw_printenv on big endian

[Detlev Zundel <dzu@denx.de>]

Hi Jeff,

> I seem to be having a problem with fw_printenv on my PowerPC 85xx target 
> whereby I constantly get CRC32 errors:
>
> # fw_printenv
> Warning: Bad CRC, using default environment
>
> I tracked this down to the fact that u-boot/lib_generic/crc32.c is 
> getting compiled with the __LITTLE_ENDIAN defined even though I have 
> CROSS_COMPILE setup correctly [e.g. I can build u-boot.bin just fine].

This makes little sense to me, as then the crc version used in U-Boot
would also use a wrong endianness.  Are you sure this happens?  Las time
I used the tool it worked for me without any such hacks.

Cheers
  Detlev

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