defconfig: fsm9900: Enable SFQ net scheduler

Enable the stochastic fair queue net sheduler in the
kernel config for fsm9900 target

Change-Id: Idf61781a376796a28a3020b2337da92251e2eb70
Acked-by: Jie Luo <jluo@qti.qualcomm.com>
Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>