ASoC: msm8952: avoid static route between cpu and codec dai

Static route created between playback/capture widgets of
cpu and codec dai of same dai link cause codec path to get powered up first
followed by BE DAI start during device switch use-case like
audio playback on wsa-speaker and switch occurs to headphones upon insertion,
leading to audio playback failure.
Set the dynamic bit of BE DAI links of slimbus to update the backend parameters
before codec path setup.

Change-Id: I876efc10dace85069f980da864f017feee1b40ba
Signed-off-by: Subhadra Jagadeesan <subhja@codeaurora.org>