dsp: export adm_set_lsm_port_id for platform

For audio modules DLKM support, export the ADM API
to external modules.

CRs-Fixed: 2160337
Change-Id: Ieaf88b2c1d99f5fc42a7a3f1900887702323f18b
Signed-off-by: Aditya Bavanari <abavanar@codeaurora.org>