Add REQUIRES: riscv to riscv test

This should fix builders like
https://lab.llvm.org/buildbot/#/builders/139/builds/36522

diff --git a/lld/test/ELF/riscv-reloc-plt32.s b/lld/test/ELF/riscv-reloc-plt32.s
index 39cd295..8cbc2d3 100644 (file)
--- a/lld/test/ELF/riscv-reloc-plt32.s
+++ b/lld/test/ELF/riscv-reloc-plt32.s
@@ -1,3 +1,5 @@
+# REQUIRES: riscv
+
 # RUN: llvm-mc -filetype=obj -triple=riscv64 %s -o %t.o
 # RUN: llvm-mc -filetype=obj -triple=riscv64 %S/Inputs/abs256.s -o %t256.o
 #