gcc 4.6 complains about unused but set variables in x86emu.
Particularly some variables are always set but only used in
debug mode, or when FPU support is enabled.
Change-Id: Ic53bd2303171ab717eb2d2c0ed72744d3eb6989e
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/258
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marcj303@gmail.com>