Build-Target failed in linux-header (stage 0). Fixed by modifying base/linux24/linux-conf.in file

Hello,

I have used SVN t2-trunk version for a while already, but today it broke
when I updated latest changes from svn repo.

After the update every build failed in "base/linux-header" stage-0 step.
After digging in more it turn out that compilation environment tried to call
Linux Kernel makefiles with "make ARCH=x86 CROSSCOMPILE= KCC=kcc oldconfig"
parameters.

Well, as we know Linux 2.6.x doesn't have arch/x86/ directory but instead
arch/i386/. The error turn out to be in "base/linux24/linux-conf.in" file.
The latest SVN changelog (r27693 by aldas) gives a hint about the change but
looks like it breaks the x86 (32bit) compilation.

The lastest T2 svn package/base/linux24/linux-conf.in file has following
line 20:
lx_cpu=echo $arch | arch2uname | sed s/.... ppc and mips and bfin stuff
here... -e  s/i386/x86

The last "-e s/i386/x86" part is new addition and it wrongly changes arch
kernel compilation parameter from i386 to x86 value. 

I removed this i386->x86 sed conversion part from linux-conf.in file and I
was once again able to compile something.

Is this "workaround fix" valid or have I missed something? Or maybe the
latest SVN change was meant to deal with only x86_64 arch but it
accidentally changes the 32-bit x86 Kernel arch parameter?

Best regards,
Mike
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