Bluetooth: Broadcast: Fix codec and meta data encoding
Bluetooth: Broadcast: Fix codec and meta data encoding

Length filed was 1 off.

Signed-off-by: Casper Bonde <17484572bafff22341a6654a032c14c8943f8fb4@bose.com>

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