[U-Boot] [RFC PATCH v2 04/12] Makefile.lib: include /__symbols__ in dtb if OF_LIBFDT_OVERLAY is enabled

[Jean-Jacques Hiblot]

In order to apply an overlay to a DTB. The DTB must have been generated
with the option '-@'.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot at ti.com>
---

Changes in v2: None

 scripts/Makefile.lib | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 70de9bb13a..75a170380e 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -292,6 +292,10 @@ cmd_dt_S_dtb=						\
 $(obj)/%.dtb.S: $(obj)/%.dtb
 	$(call cmd,dt_S_dtb)
 
+ifeq ($(CONFIG_OF_LIBFDT_OVERLAY),y)
+DTC_FLAGS += -@
+endif
+
 quiet_cmd_dtc = DTC     $@
 # Modified for U-Boot
 # Bring in any U-Boot-specific include at the end of the file
-- 
2.17.1