Get rid of a number of __GNUC__ checks

In the process of streamlining coreboot code and getting
rid of unneeded ifdefs, drop a number of unneeded checks
for the GNU C compiler. This also cleans up x86emu/types.h
significantly by dropping all the duplicate types in there.

Change-Id: I0bf289e149ed02e5170751c101adc335b849a410
Signed-off-by: Stefan Reinauer <>
Reviewed-by: Ronald G. Minnich <>
Tested-by: build bot (Jenkins)
6 files changed