SMP: Set pairing parameters for CTKD by properties

These configurations were in bt_stack.conf and shared between LE and
CTKD(SMP over BR/EDR). Devices may need different parameters for these 2
modes and to configure them, so we need properties to control them.

Bug: 269773251
Test: net_test_stack_btm
Test: Avatar - test CTKD over BR/EDR on 2 directions
Change-Id: Iaf250e12cc58abb8df8ebad32c6593ebcd974ee8