x86: Drop inclusion of ibmpc.h

This is not needed in this file anymore. Drop it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> # Intel Edison
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/include/configs/x86-common.h b/include/configs/x86-common.h
index 608c5ba..e05f667 100644
--- a/include/configs/x86-common.h
+++ b/include/configs/x86-common.h
@@ -5,8 +5,6 @@
  * Graeme Russ, graeme.russ@gmail.com.
  */
 
-#include <asm/ibmpc.h>
-
 #ifndef __CONFIG_X86_COMMON_H
 #define __CONFIG_X86_COMMON_H