[PATCH] elf: Add is_standard_elf

[Nick Clifton]

Hi H.J.

> PR ld/31289 tests failed for fr30-elf, frv-elf, ft32-elf, iq2000-elf,
> mn10200-elf, ms1-elf and msp430-elf targets:
> 
> FAIL: ld-elf/fatal-warnings-2a
> FAIL: ld-elf/fatal-warnings-2b
> FAIL: ld-elf/fatal-warnings-3a
> FAIL: ld-elf/fatal-warnings-3b
> FAIL: ld-elf/fatal-warnings-4a
> FAIL: ld-elf/fatal-warnings-4b
> 
> even though PR ld/31289 targets xfail for [is_generic] targets.  These
> targets not only don't use the generic_link_hash_table linker, but also
> don't use the standard ELF emulation.  Add is_standard_elf for ELF
> targets which use the standard ELF emulation and replace [is_generic]
> with ![is_standard_elf] in PR ld/31289 tests.
  Approved - please apply.

Cheers
   Nick