memblock tests: change build options to run-time options

Change verbose and movable node build options to run-time options.

Movable node usage:
    $ ./main -m

    Or:
    $ ./main --movable-node

Verbose usage:
    $ ./main -v

    Or:
    $ ./main --verbose

Signed-off-by: Rebecca Mckeever <remckee0@gmail.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Link: https://lore.kernel.org/r/20220714031717.12258-1-remckee0@gmail.com

tools/testing/memblock/linux/memory_hotplug.h

@@ -7,13 +7,11 @@
 #include <linux/cache.h>
 #include <linux/types.h>
 
+extern bool movable_node_enabled;
+
 static inline bool movable_node_is_enabled(void)
 {
-#ifdef MOVABLE_NODE
-	return true;
-#else
-	return false;
-#endif
+	return movable_node_enabled;
 }
 
 #endif