qcacmn: Add common, build_chan_list and priv_objs regdb files

Create below regdb files in core component and move the code from
reg_services.c file.

These files has the common code used by both WIN and MCL.

reg_common_services.c: this file has regdb common APIs used by both WIN and
MCL.
reg_build_chan_list.c: this file has APIs to build master and current
channel list.
reg_priv_objs.c: this file has the APIs to create regulatory private PSOC
and pdev objects.

Change-Id: I891b14fac7a4eddf2697d2ecdc0ac4a82046f532
CRs-Fixed: 2349173
18 files changed