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/tools/Makefile b/tools/Makefile
index 4d32fe5..571f571 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -185,6 +185,7 @@
 hostprogs-$(CONFIG_ARCH_MVEBU) += kwboot
 hostprogs-y += proftool
 hostprogs-$(CONFIG_STATIC_RELA) += relocate-rela
+hostprogs-$(CONFIG_RISCV) += prelink-riscv
 
 hostprogs-y += fdtgrep
 fdtgrep-objs += $(LIBFDT_OBJS) fdtgrep.o