msm: sps: add the option to distinguish BAM types

BAM has different types in different chipset families. Add the
support in the driver and device tree to distinguish BAM types so
that various features can be enabled based on BAM type.

Change-Id: I1e03e296a65214da861bdd2f5f659ef24318e5e1
Signed-off-by: Yan He <yanhe@codeaurora.org>