Bluetooth: Mesh: shell: Add for relay and 1-byte state commands
Bluetooth: Mesh: shell: Add for relay and 1-byte state commands

Add commands for 1-byte states such as Default TTL, Friend and GATT
Proxy, as well as the 2-byte Relay state.

Signed-off-by: Johan Hedberg <628991c7b0a19c384f9b99c21ec330ce952bb838@intel.com>

galak/zephyr,mbolivar/zephyr,Vudentz/zephyr,GiulianoFranchetto/zephyr,kraj/zephyr,kraj/zephyr,GiulianoFranchetto/zephyr,punitvara/zephyr,Vudentz/zephyr,Vudentz/zephyr,explora26/zephyr,kraj/zephyr,mbolivar/zephyr,explora26/zephyr,explora26/zephyr,Vudentz/zephyr,zephyriot/zephyr,ldts/zephyr,nashif/zephyr,mbolivar/zephyr,galak/zephyr,finikorg/zephyr,finikorg/zephyr,aceofall/zephyr-iotos,punitvara/zephyr,galak/zephyr,Vudentz/zephyr,galak/zephyr,zephyriot/zephyr,zephyriot/zephyr,zephyrproject-rtos/zephyr,nashif/zephyr,explora26/zephyr,aceofall/zephyr-iotos,aceofall/zephyr-iotos,Vudentz/zephyr,punitvara/zephyr,nashif/zephyr,ldts/zephyr,zephyriot/zephyr,explora26/zephyr,ldts/zephyr,zephyriot/zephyr,ldts/zephyr,zephyrproject-rtos/zephyr,kraj/zephyr,kraj/zephyr,GiulianoFranchetto/zephyr,nashif/zephyr,aceofall/zephyr-iotos,aceofall/zephyr-iotos,finikorg/zephyr,zephyrproject-rtos/zephyr,punitvara/zephyr,zephyrproject-rtos/zephyr,nashif/zephyr,galak/zephyr,finikorg/zephyr,GiulianoFranchetto/zephyr,finikorg/zephyr,GiulianoFranchetto/zephyr,zephyrproject-rtos/zephyr,mbolivar/zephyr,ldts/zephyr,punitvara/zephyr,mbolivar/zephyr