msm: ipa4: Adding support to configure the WDI protocol gsi channel

Adding support to configure the WDI protocol gsi channel and
starting the GSI channel only in WDI pipe resume time and
stopping in WDI suspend time.

Change-Id: Iaf51173d456121c051b1a40560719a8810ca05ee
Acked-by: Ashok Vuyyuru <avuyyuru@qti.qualcomm.com>
Signed-off-by: Mohammed Javid <mjavid@codeaurora.org>