[rdk-b][mt7986][wifi-hal][Refactor get and set radio mode functions]

[Description]
Add hal get and set radio mode functions to support ax mode, the old set and get mode function did not support ax.
The parameter pureMode is a bitmap, means which mode is enable for the radio.
bit 0 -> mode a, bit 1 -> mode b, bit 2 -> mode g, ...

[Release-log]
N/A

Change-Id: Icb5073b0621feb2baab0f4028a4fccc725157ddb
1 file changed