revert some cmake builds

Builds/CMake/RippledInstall.cmake

@@ -4,6 +4,7 @@
 
 install (
   TARGETS
+    ed25519-donna
     common
     opts
     ripple_syslibs
@@ -15,6 +16,17 @@ install (
   RUNTIME DESTINATION bin
   INCLUDES DESTINATION include)
 
+if(${INSTALL_SECP256K1})
+install (
+  TARGETS
+    secp256k1
+  EXPORT RippleExports
+  LIBRARY DESTINATION lib
+  ARCHIVE DESTINATION lib
+  RUNTIME DESTINATION bin
+  INCLUDES DESTINATION include)
+endif()
+
 install (EXPORT RippleExports
   FILE RippleTargets.cmake
   NAMESPACE Ripple::