selftests: forwarding: Rename bridge_mdb test

The test is only concerned with host MDB entries and not with MDB
entries as a whole. Rename the test to reflect that.

Subsequent patches will add a more general test that will contain the
test cases for host MDB entries and remove the current test.

Signed-off-by: Ido Schimmel <[e-mail]>
Acked-by: Nikolay Aleksandrov <[e-mail]>
Signed-off-by: Jakub Kicinski <[e-mail]>

tools/testing/selftests/net/forwarding/Makefile

···
 
 TEST_PROGS = bridge_igmp.sh \
 	bridge_locked_port.sh \
-	bridge_mdb.sh \
+	bridge_mdb_host.sh \
 	bridge_mdb_port_down.sh \
 	bridge_mld.sh \
 	bridge_port_isolation.sh \