[PATCH][Mips] Default ELF header support for AsmParser

[Rafael Espíndola]

please first revert 195067.

On 18 November 2013 22:12, Jack Carter <Jack.Carter at imgtec.com> wrote:
> This patch is the initial instalment for setting ELF header flags from the
> AsmParser at startup time.
>
> Currently AsmPrinter  uses another method at process end, but if this patch
> is acceptable, I will migrate them to use the same method.
>
> This doesn't address directive handling for ELF/ASM. That comes in the next
> patch.
>
> Jack