x86, es7000: clean up

No code changed:

arch/x86/kernel/es7000_32.o:

   text	   data	    bss	    dec	    hex	filename
   2813	    192	     44	   3049	    be9	es7000_32.o.before
   2813	    192	     44	   3049	    be9	es7000_32.o.after

md5:
   a593d98a882bf534622c70d9568497ac  es7000_32.o.before.asm
   a593d98a882bf534622c70d9568497ac  es7000_32.o.after.asm

Signed-off-by: Ingo Molnar <mingo@elte.hu>