asoc: codecs: Add parent child relation for bolero and tanggu

In bolero and tanggu combination, make bolero parent of tanggu.
Bolero and tanggu can communicate mutually using notifier and
plat_data callback APIs.

Change-Id: Iecd119df7f0ad1ba225c0427f3f42f217146b092
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>