qcacmn: Redefine channel frequency MACRO as public

Move MACRO definition of TWOG_CHAN_6_IN_MHZ out of
ifdef CONFIG_CHAN_FREQ_API, move to public header file,
then other components can use it.

Change-Id: Ieb4b2b167c664246d39949ad4f8d53eda6b9d7de
CRs-Fixed: 2580207
2 files changed