Make check_calib_inf.sh work for all boards
Search for direct_reg_access location.

Add useful files to user_space
- Continuously checking whether Tx Quadrature Calibration did not reach maximum convergence count, otherwise print warning. Started and killed by wgd.sh.
- set_tx_lo.sh

Add useful files to user_space
- Continuously checking whether Tx Quadrature Calibration did not reach maximum convergence count, otherwise print warning. Started and killed by wgd.sh.
- set_tx_lo.sh to set or get Tx LO status
- set_tx_port.sh to set or get Tx RF Port A or B

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