mb/*/*: Remove unused option_table.h includes

These should have been removed together with read_option().

Change-Id: Ia6f268ac4551de14f9821c789844adfdf428b843
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38177
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/getac/p470/early_init.c

@@ -24,7 +24,6 @@
 #include <console/console.h>
 #include <northbridge/intel/i945/i945.h>
 #include <southbridge/intel/i82801gx/i82801gx.h>
-#include "option_table.h"
 
 void mainboard_pre_raminit_config(int s3_resume)
 {

src/mainboard/kontron/986lcd-m/early_init.c

@@ -23,8 +23,6 @@
 #include <superio/winbond/common/winbond.h>
 #include <superio/winbond/w83627thg/w83627thg.h>
 
-#include "option_table.h"
-
 /* Override the default lpc decode ranges */
 void mainboard_lpc_decode(void)
 {

src/mainboard/roda/rk886ex/early_init.c

@@ -26,8 +26,6 @@
 #include <southbridge/intel/i82801gx/i82801gx.h>
 #include <superio/smsc/lpc47n227/lpc47n227.h>
 
-#include "option_table.h"
-
 /* Override the default lpc decode ranges */
 void mainboard_lpc_decode(void)
 {