soc: soundwire: Add delay to over come race condition

Switch b/w 44.1Khz to 48Khz and vice versa,mux switch on
HPH path is unable to take place.Add sufficient delay to
happen clock release.

Change-Id: I80c40772c03bbbd3a57a4e6de270de4779f882a7
Signed-off-by: Prasad Kumpatla <nkumpat@codeaurora.org>