common: Drop asm/ptrace.h from common header

Move this uncommon header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/cpu/i386/interrupt.c b/arch/x86/cpu/i386/interrupt.c
index e67a116..c0c4bc9 100644
--- a/arch/x86/cpu/i386/interrupt.c
+++ b/arch/x86/cpu/i386/interrupt.c
@@ -23,6 +23,7 @@
 #include <asm/io.h>
 #include <asm/lapic.h>
 #include <asm/processor-flags.h>
+#include <asm/ptrace.h>
 
 DECLARE_GLOBAL_DATA_PTR;