netfilter: nf_flow_table: move init code to nf_flow_table_core.c

Reduces duplication of .gc and .params in flowtable type definitions and
makes the API clearer

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
6 files changed