[compat] HaikuOS port (#2805)

Still had the issues with libusb, but that should get solved with the other PRs anyways
Signed-off-by: lizzie <lizzie@eden-emu.dev>

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/2805
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Reviewed-by: crueter <crueter@eden-emu.dev>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>

src/core/tools/renderdoc.cpp

@@ -28,6 +28,8 @@ RenderdocAPI::RenderdocAPI() {
             ASSERT(ret == 1);
         }
     }
+#elif defined(__HAIKU__)
+    // no rtld on haiku
 #else
 #ifdef ANDROID
     static constexpr const char RENDERDOC_LIB[] = "libVkLayer_GLES_RenderDoc.so";