Use macro from common.h to detect the x86 platform
Use macro from common.h to detect the x86 platform

maciekcc/gemmlowp,google/gemmlowp,google/gemmlowp,efeguney/gemmlowp,maciekcc/gemmlowp,petewarden/gemmlowp,google/gemmlowp,google/gemmlowp,petewarden/gemmlowp,petewarden/gemmlowp,efeguney/gemmlowp,efeguney/gemmlowp,petewarden/gemmlowp,maciekcc/gemmlowp