defconfig: fsm9900 Enable interactive governor option

Add the interactive governor and cpu freq boot option
to the fsm9900 kernel configuration.

Change-Id: Ic6320eeae6f05a47db0d5302f1f3983025f9cdb6
Acked-by: Kaushik Sikdar <ksikdar@qti.qualcomm.com>
Signed-off-by: Venkatesh Yadav Abbarapu <quicvenkat@codeaurora.org>