riscv: tools: Prelink u-boot

Add prelink-riscv to arrange .rela.dyn and .rela.got
in compile time. So that u-boot can be directly
executed without fixup.

Signed-off-by: Chih-Mao Chen <cmchen@andestech.com>
Signed-off-by: Rick Chen <rick@andestech.com>
Signed-off-by: Rick Chen <rickchen36@gmail.com>
Signed-off-by: Greentime Hu <green.hu@gmail.com>
diff --git a/Makefile b/Makefile
index d8f419b..23cd340 100644
--- a/Makefile
+++ b/Makefile
@@ -1264,6 +1264,10 @@
 	$(call cmd,u-boot__) common/system_map.o
 endif
 
+ifeq ($(CONFIG_RISCV),y)
+	@tools/prelink-riscv $@ 0
+endif
+
 quiet_cmd_sym ?= SYM     $@
       cmd_sym ?= $(OBJDUMP) -t $< > $@
 u-boot.sym: u-boot FORCE