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/drivers/firmware/firmware-zynqmp.c b/drivers/firmware/firmware-zynqmp.c
index 4108971..2bdf777 100644
--- a/drivers/firmware/firmware-zynqmp.c
+++ b/drivers/firmware/firmware-zynqmp.c
@@ -10,6 +10,7 @@
 #include <log.h>
 #include <zynqmp_firmware.h>
 #include <asm/cache.h>
+#include <asm/ptrace.h>
 
 #if defined(CONFIG_ZYNQMP_IPI)
 #include <mailbox.h>