wlcore: add role_id to all the sched_scan commands

Due to a need by the firmware when working in multirole
the role id needs to be added to the structs of the
following commands:
CMD_CONNECTION_SCAN_CFG, CMD_CONNECTION_SCAN_SSID_CFG,
CMD_START_PERIODIC_SCAN, CMD_STOP_PERIODIC_SCAN

Signed-off-by: Yoni Divinsky <yoni.divinsky@ti.com>
Signed-off-by: Igal Chernobelsky <igalc@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>