Make tests RISC-V only

Author: tomeksowi

src/tests/JIT/Directed/PrimitiveABI/PrimitiveABI.csproj

@@ -2,6 +2,7 @@
   <PropertyGroup>
     <!-- Needed for CMakeProjectReference -->
     <RequiresProcessIsolation>true</RequiresProcessIsolation>
+    <CLRTestTargetUnsupported Condition="'$(TargetArchitecture)' != 'riscv64'">true</CLRTestTargetUnsupported>
   </PropertyGroup>
   <PropertyGroup>
     <DebugType>PdbOnly</DebugType>