msm: clocks: Add blsp1_uart3 clock for fsm9010

UART3 will be used as a console in FSM9010 targets.

Change-Id: I1f9307cdd76f8541ae3b9c3b579c310542e8f2ba
Acked-by: Kaushik Sikdar <ksikdar@qti.qualcomm.com>
Signed-off-by: Venkatesh Yadav Abbarapu <quicvenkat@codeaurora.org>