ARM: dts: msm: Update the vifeed back routing

Codec clock should be enabled when vifeedback path for speaker
protection is enabled.
Change adds the routing entries to enable the codec clock for
speaker protection vi capture feedback path for 8994.

Change-Id: I93b4d59ac4535ebb7a71041ce38ef4d1e2e88481
Signed-off-by: Anish Kumar <kanish@codeaurora.org>