asoc: tegra: pcm: Fix the support for setting bias level
Allow bias level to turn off clock extern1 when codec
is idle for Optimus X4HD(P880), (Maxim 98088 codec).
Allowing mic bias to turn off could potentially save us a reasonable
amount of battery juice.
Change-Id: I040650f676e79fecd2093d8af1f3eb214440debc
Signed-off-by: demetris <ierokipides.dem@gmail.com>

Signed-off-by: demetris <ierokipides.dem@gmail.com>
Merge branch 'cm-11.0' into kk_mkt