common: Drop log.h from common header

Move this header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/lib/interrupts.c b/arch/x86/lib/interrupts.c
index 40ba7fc..a81e429 100644
--- a/arch/x86/lib/interrupts.c
+++ b/arch/x86/lib/interrupts.c
@@ -30,6 +30,7 @@
  */
 
 #include <common.h>
+#include <command.h>
 #include <irq_func.h>
 #include <asm/interrupt.h>