in-kernel drivers will select this automatically if needed.
If unsure say N.
+config DVB_CORE_ATTACH
+ bool "Load and attach frontend modules as needed"
+ depends on DVB_CORE
+ depends on MODULES
+ help
+ Remove the static dependency of DVB card drivers on all
+ frontend modules for all possible card variants. Instead,
+ allow the card drivers to only load the frontend modules
+ they require. This saves several KBytes of memory.
+
+ Note: You will need module-init-tools v3.2 or later for this feature.
+
+ If unsure say Y.