southbridge: Remove not used #include <elog.h>

Change-Id: Ifa88e3fd824ec57c21de5967e1634c8823fe0fbb
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33730
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: David Guckian
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/southbridge/intel/ibexpeak/smihandler.c

@@ -22,7 +22,6 @@
 #include <device/pci_def.h>
 #include <cpu/x86/smm.h>
 #include <cpu/intel/em64t101_save_state.h>
-#include <elog.h>
 #include <halt.h>
 #include <pc80/mc146818rtc.h>
 #include <cpu/intel/model_2065x/model_2065x.h>