dsp: Add support to update and store clk src values

Add support to update clk src array from machine driver.
Update clk src for different be ids based on clock
frequency at playback.

Change-Id: Ifa09d556fd50f9e2ddef39b5e3ddd25f579f8f6e
Signed-off-by: Sanjana B <sanjb@codeaurora.org>