ARM: dts: msm: Change sound card name for sdmmagpie

Change the sound card name to sm6150-wcd9375-snd-card
in order to accommodate codec variant changes in
sdmmagpie target.

Change-Id: Icae4264c7088afd4e037a8e93d3e7fb1b055a736
Signed-off-by: Aditya Bavanari <abavanar@codeaurora.org>