ARM: dts: msm: Map wsa instances as per trinket tasha schematics

In trinket tasha variant, map wsa instances for north and south
speakers accordingly as per schematics.

CRs-Fixed: 2397982
Change-Id: I8c3c7e1c0595271f9ceebc65f99291a537b09638
Signed-off-by: Aditya Bavanari <abavanar@codeaurora.org>