boards/thepeach: Add uxrce_dds_client #16

Job	Run time
build (check_format)	1m 4s
build (tests)	3m 12s
build (tests_coverage)	1m 31s
build (px4_fmu-v2_default stack_check)	1m 41s
build (validate_module_configs)	52s
build (shellcheck_all)	1m 49s
build (NO_NINJA_BUILD=1 px4_fmu-v5_default)	1m 41s
build (NO_NINJA_BUILD=1 px4_sitl_default)	1m 16s
build (airframe_metadata)	1m 7s
build (module_documentation)	1m 18s
build (parameters_metadata)	1m 10s
	16m 41s

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