Added setreg patch file to update 'AssetStreamingImagePoolSize' to accommodate Loft scene

Signed-off-by: Steve Pham <[email protected]>

Registry/atom_rpi.setregpatch

@@ -0,0 +1,3 @@
+[
+    { "op": "replace", "path": "/O3DE/Atom/RPI/Initialization/ImageSystemDescriptor/AssetStreamingImagePoolSize", "value": 3221225472 }
+]