DSM: Add extra XPlus channels to protocol #586

Job	Run time
[Test] ATmega328p (Optiboot)	3m 21s
[Test] OrangeRX	42s
[Test] ATmega328p	3m 15s
[Test] STM32F103 (128KB, USB Debug)	3m 49s
[Test] STM32F103 (128KB)	3m 7s
[Test] STM32F103 (64KB)	3m 11s
[Build] ATmega328p	31s
[Build] STM32F103 CC2500 (64KB)	29s
[Build] STM32F103 CC2500 (128KB)	32s
[Build] STM32F103 (128KB)	1m 21s
[Test] STM32F103 (128KB, Serial Debug)	3m 51s
[Test] T18 5-in-1 (128KB)	3m 4s
[Build] STM32F103 (128KB, Serial Debug)	24s
[Build] T18 5-in-1 (128KB)	1m 9s
[Build] ATmega328p (Optiboot)	31s
[Build] Scripts	15s
[Build] STM32F103 5-in-1 (128KB)	1m 0s
[Build] OrangeRX	27s
[Build] STM32F103 (128KB, USB Debug)	17s
[Build] T-Lite 5-in-1 (128KB)	1m 6s
[Deploy] Attach Build Artifacts	4s
[Release] Publish Files to Release	-1s
	32m 25s

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