Backport #973 from trunk:
Don't allow to specify an ABI for ARM EABI builds: the ABI is implied by the fact we're building for EABI.

/branches/1.2/arch/arm/functions | 19 3 16 0 +++----------------
/branches/1.2/arch/arm/config.in | 9 6 3 0 ++++++---
2 files changed, 9 insertions(+), 19 deletions(-)

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