x86, relocs: Build clean fix

relocs was not cleaned up when "make clean" is issued. This
patch fixes the issue.

Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@intel.com>
Link: http://lkml.kernel.org/r/1337622684-6834-1-git-send-email-jarkko.sakkinen@intel.com
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: <stable@vger.kernel.org> v3.4

diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 94e91e4..b1c611e 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -206,6 +206,7 @@
 	$(Q)rm -rf $(objtree)/arch/i386
 	$(Q)rm -rf $(objtree)/arch/x86_64
 	$(Q)$(MAKE) $(clean)=$(boot)
+	$(Q)$(MAKE) $(clean)=arch/x86/tools
 
 define archhelp
   echo  '* bzImage      - Compressed kernel image (arch/x86/boot/bzImage)'