wifi: rtw89: 8851b: set ADC bandwidth select according to calibration value

To handle hardware characteristic of ADC, calibrate the function and add
a efuse field to record result, which driver uses it to set proper value
accordingly.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250627035201.16416-3-pkshih@realtek.com