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/arm/cpu/armv8/sec_firmware.c b/arch/arm/cpu/armv8/sec_firmware.c
index 789f9ca..bfc0fac 100644
--- a/arch/arm/cpu/armv8/sec_firmware.c
+++ b/arch/arm/cpu/armv8/sec_firmware.c
@@ -10,6 +10,7 @@
 #include <image.h>
 #include <log.h>
 #include <asm/cache.h>
+#include <asm/ptrace.h>
 #include <linux/kernel.h>
 #include <asm/io.h>
 #include <asm/system.h>