Bluetooth: Adds preprocessor to L2CAP tester app
Bluetooth: Adds preprocessor to L2CAP tester app

Adds preprocessor ifdefs to reconfigure() in L2CAP tester application
depending on the KConfig option CONFIG_BT_L2CAP_ECRED
Fixes issue #40456

Signed-off-by: Johan Lundin <f25b5d4bd68c951c4c857b20f3b0f60660c83f8b@nordicsemi.no>

finikorg/zephyr,galak/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,galak/zephyr,galak/zephyr,zephyrproject-rtos/zephyr