ARM: dts: msm8994: 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: If3be1e3eed82337d1f1e7c8baf1825f2f6ab27e2
Signed-off-by: Anish Kumar <kanish@codeaurora.org>