The PSoC 5 LP device in CYALKIT-E02 is used as a KitProg module. KitProg is the hardware/firmware block for on-board programming, debugging, and bridge functionality.
You can either program and debug the CYBLE-022001-00 EZ-BLE PRoC Module (present on the Solar-Powered BLE Sensor Beacon) or CYBL10162 PRoC BLE (present on the BLE-USB Bridge and Debug Board).
Please refer to Section 4. Program and Debug in the CYALKIT-E02 Kit Guide for steps to program these devices.
Thanks and Regards,
Rakshith M B