Add bbu-config folder

enb/sdr/config.cfg

-config.ecpri-master.cfg
+config.cpri-sunwave.cfg
\ No newline at end of file

enb/sdr/config.cpri-slave.cfg

-rf_driver: {
-    name: "sdr",
-
-    args: "dev0=/dev/sdr6",
-
-    sync: "cpri",
-    cpri_mapping: "bf1",
-    cpri_mult : 16,
-    cpri_rx_delay: 11.0,
-
-},
-
-tx_gain: 90.0, /* TX gain (in dB) */
-rx_gain: 60.0, /* RX gain (in dB) */

enb/sdr/config.cpri.cfg

-rf_driver: {
-    name: "sdr",
-
-    args: "dev0=/dev/sdr0",
-
-    cpri_mapping: "bf1",
-    cpri_mult : 16,
-    cpri_rx_delay: 0.0,
-},
-
-tx_gain: 90.0, /* TX gain (in dB) */
-rx_gain: 60.0, /* RX gain (in dB) */
-
-cpri_tx_dbm: 42,
-cpri_rx_dbm: -10,