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

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

# x86 specific options

config ARCH_x86

    select ARCH_SUPPORT_ARCH

    select ARCH_SUPPORT_CPU

    select ARCH_SUPPORT_TUNE

    help

      The x86 architecture, as defined by:

        http://www.intel.com/