ARM: dts: msm: update sound card name for msmtitanium

Use common sound card name for both mtp and rcm for msmtitanium.
There is no delta in features, so using the same name.

Change-Id: I1a6df42b0eac4b9ebae8a0ea3b1307ee6c497ef4
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>