[U-Boot] [PATCH v3 2/3] u-boot.elf: fix entry symbol not found warning

[Álvaro Fernández Rojas]

LD gives the following warning when trying to process u-boot-elf.o
warning: cannot find entry symbol __start; defaulting to 0000000080010000
Fix this by renaming _start to __start

Signed-off-by: Álvaro Fernández Rojas <noltari at gmail.com>
---
 v3: Introduce changes suggested by Daniel Schwierzeck:
  - Split patches.
 v2: Introduce changes suggested by Daniel Schwierzeck:
  - Fix _start vs __start symbol.

 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 8730550..66c9be2 100644
--- a/Makefile
+++ b/Makefile
@@ -1187,7 +1187,7 @@ u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE
 u-boot.elf: u-boot.bin
 	@$(OBJCOPY) -I binary $(PLATFORM_ELFFLAGS) $< u-boot-elf.o
 	@$(LD) u-boot-elf.o -o $@ \
-		--defsym=_start=$(CONFIG_SYS_TEXT_BASE) \
+		--defsym=__start=$(CONFIG_SYS_TEXT_BASE) \
 		-Ttext=$(CONFIG_SYS_TEXT_BASE)
 
 # Rule to link u-boot
-- 
2.1.4