Fix for ICE-8086 - Don't specify PLATFORMS=x64 for building default x86_64 arch (x64 isn't supported with SLES/Amzn1)
Fix for ICE-8086 - Don't specify PLATFORMS=x64 for building default x86_64 arch (x64 isn't supported with SLES/Amzn1)

zeroc-ice/ice-packaging,zeroc-ice/ice-packaging,zeroc-ice/ice-packaging