Add risc-v support to versioner.

Also fill out some of the data we've fallen behind on, like "which API
levels actually exist".

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: I1939426c4a22fea14232a7a93c768691ebb242ec
diff --git a/tools/versioner/src/versioner.h b/tools/versioner/src/versioner.h
index e9c4989..225e14b 100644
--- a/tools/versioner/src/versioner.h
+++ b/tools/versioner/src/versioner.h
@@ -39,5 +39,5 @@
   { "sys/_system_properties.h", supported_archs },
 
   // time64.h #errors when included on LP64 archs.
-  { "time64.h", { Arch::arm64, Arch::x86_64 } },
+  { "time64.h", { Arch::arm64, Arch::riscv64, Arch::x86_64 } },
 };