add missing dll config file for linux

bin/OpenSim.Region.PhysicsModule.ubOde.dll.config

@@ -0,0 +1,7 @@
+<configuration>
+  <dllmap os="osx" dll="ode" target="lib64/libode.dylib" />
+  <dllmap os="!windows,osx" cpu="x86-64,ia64" dll="ode" target="lib64/libode-x86_64" />
+  <dllmap os="!windows,osx" cpu="x86" dll="ode" target="lib32/libode" />
+  <dllmap os="!windows,osx" cpu="ppc64" dll="ode" target="lib64/libode-ppc64" />
+  <dllmap os="!windows,osx" cpu="s390x" dll="ode" target="lib64/libode-s390x" />
+</configuration>