Add options in node loader to avoid building bootstrap and trampoline, they are needed for building with guix which does not allow to invoke npm install.

Author: viferga

source/loaders/node_loader/bootstrap/CMakeLists.txt

@@ -1,5 +1,5 @@
 # Check if this loader is enabled
-if(NOT OPTION_BUILD_LOADERS OR NOT OPTION_BUILD_LOADERS_NODE)
+if(NOT OPTION_BUILD_LOADERS OR NOT OPTION_BUILD_LOADERS_NODE OR DISABLE_BUILD_LOADERS_NODE_BOOTSTRAP)
 	return()
 endif()
 

source/loaders/node_loader/trampoline/CMakeLists.txt

@@ -1,5 +1,5 @@
 # Check if this loader is enabled
-if(NOT OPTION_BUILD_LOADERS OR NOT OPTION_BUILD_LOADERS_NODE)
+if(NOT OPTION_BUILD_LOADERS OR NOT OPTION_BUILD_LOADERS_NODE OR DISABLE_BUILD_LOADERS_NODE_TRAMPOLINE)
 	return()
 endif()