x86: qemu emulator is the default build target

Change-Id: I200536d2d997eda6a6e62eaa9050269e3c7ff6c4
Orig-Change-Id: I1fc3cb491d593d3e28f90278cfc8de5d77852932
Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
Signed-off-by: Jun Nakajima <jun.nakajima@intel.com>
9 files changed