ARM: dts: msm: Add support for btfm audio in trinket

During bringup for trinket target, btfm support was
removed. Remove the respective property reset setting
to enable it back.

Change-Id: Idb884383433062e0a79a582bacfe98cdb260b901
Signed-off-by: Aditya Bavanari <abavanar@codeaurora.org>