defconfig: fsm9900: Enable Netfilter, Bridge and Wireless Extensions

Add basic wireless router/AP support in fsm9900

Change-Id: I074294e3e83de93621ebebfd40d065a4ec283615
Acked-by: Kaushik Sikdar <ksikdar@qti.qualcomm.com>
Signed-off-by: Venkatesh Yadav Abbarapu <quicvenkat@codeaurora.org>