[WCNCR00158507] misc: Change DFS support (802.11h) as configurable.

[Description]
Change DFS support (802.11h) as configurable.
1. Some project doesn't support DFS channels, so let spectrum management
   bit can be set by makefile according to project requirement.

Test:
1. Sanity check: WiFi scan/connection OK.

Feature: misc
Change-Id: I5c0a006e9ac3a815a939c95f542b1c26b825e80e
CR-Id: WCNCR00158507
Signed-off-by: Alice Ou <alice.ou@mediatek.com>
(cherry picked from commit 845ad7ac9d25fdc8f374d0b45f17dfcd57c30259)
1 file changed