api,enums: added NGRAN-67 band
According to 3GPP Rel17.2, TS 38104, band NGRAN-67 is supported. Currently Qualcomm SDX72 chip support this band and MM would show a '(null)' info in the "Bands" area. Band info as below: n67, 738MHz-758MHz, SDL
Signed-off-by: Slark Xiao slark_xiao@163.com