wcnss: add 5-wire interface for msm8610

Configure and install GPIOs used for 5-wire interface. This
interface is used by wcnss to communicate with external RF chip.

Change-Id: I183a7e30d22e721a2f291723182ad0a72e797f26
Acked-by: Rajesh Chauhan <rajeshc@qca.qualcomm.com>
Signed-off-by: Sameer Thalappil <sameert@codeaurora.org>