C6x: Fix another problem with rela. and rel. sections

[Bernd Schmidt <bernds at codesourcery dot com>]

TI's compiler for C6x produces both rel. and rela. sections.  When 
compiling the kernel with it, we end up with rela.init.text and 
rel.init.text, and when we then try to use GNU ld to link these objects 
together using "-r", the linker aborts with

ld: init/mounts.o: relocation size mismatch in init/do_mounts.o section 
.text
ld: final link failed: File in wrong format

That's because in the output we've only made one of the two sections.  I 
looked around in other targets for ways to fix it, and came across a 
definition of elf_fake_sections in elf32-m32r.c.  Adding such a function 
to elf32-tic6x.c seems to fix the problem.

Ok?


Bernd

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