component/bt: Added the server test for the bit rate test.

component/bt: Added the server test for the bit rate test.

component/bt: optimiz the code
component/bt: optimiz the code.
component/bt: added the l2c change.
component/bt: Added the modified.
component/bt: change the indicate callback function.

component/bt: added the BLE throughput test gattc & gatts example.

component/bt: Change the sdkconfig.default CONFIG_GATTS_NOTIFY_THROUGHPUT setting.

component/bt: Change the throughput_client_task delay method.

component/bt: change the btu task size from 4096 to 5096

comonent/bt: close the print when congest.

component/bt: Added the CPU frequency set method to the readme file.

component/bt: Change the gatts_demo_char1_val to gl_profile_tab[PROFILE_A_APP_ID].char_handle to avoid make error.

example/ble_throughput: Added the Readme explanation.

component/bt: Added the bt lib change.

component/bt: Update the bt lib & Change the LOG level from ERROR to DEBUG when congest.

component/bt: Fixed the bug of timer start assign error.

component/bt: Change back the gattc & gatts demo with same as the master.

example/ble_throughput: Fixed the bug when prepare write of the ble throughput.

component/bt: Update the check_sum algorithm.

component/bt: Change Added the path when used the include file of "l2cdefs.h" & "l2c_api.h".

example/throughput_client: Added the Freertos related header files to ble throughput client demo to avoid compile error.