qcacmn: Add new target_if layer files for for LTE and 11d feature

Create target_if_reg_11d.c and target_if_reg_lte.c  files.
Move 11d and LTE feature specific code from target_if_reg.c file to
these files.

These files has only MCL specific code.

Change-Id: I016c6e6c8b6d54670496367e08ac5d83ad94bebd
CRs-Fixed: 2349173
4 files changed