Tell the version script generation script about risc-v.

Signed-off-by: Mao Han <han_mao@linux.alibaba.com>
Signed-off-by: Xia Lifang <lifang_xia@linux.alibaba.com>
Signed-off-by: Chen Guoyin <chenguoyin.cgy@linux.alibaba.com>
Signed-off-by: Wang Chen <wangchen20@iscas.ac.cn>
Signed-off-by: Lu Xufan <luxufan@iscas.ac.cn>
Test: treehugger
Change-Id: If2c35381159433a6337f4d892ef5689236d0a739
diff --git a/tools/generate-version-script.py b/tools/generate-version-script.py
index def621e..206b91b 100755
--- a/tools/generate-version-script.py
+++ b/tools/generate-version-script.py
@@ -8,7 +8,7 @@
 import sys
 
 def has_arch_tags(tags):
-  for arch in ["arm", "arm64", "x86", "x86_64"]:
+  for arch in ["arm", "arm64", "riscv", "x86", "x86_64"]:
     if arch in tags:
       return True
   return False