nimble: add sysconfig for enabling additional PHYs #74

Job	Run time
Build GCC test target (ubuntu-latest, 12.2.Rel1)	3m 4s
Build GCC test target (ubuntu-latest, 12.2.Rel1)	3m 4s
Build GCC test target (ubuntu-latest, 12.2.Rel1)	3m 4s
Build GCC test target (ubuntu-latest, 12.2.Rel1)	3m 4s
Build GCC test target (ubuntu-latest, 11.3.Rel1)	40s
Build GCC test target (ubuntu-latest, 11.3.Rel1)	38s
Build GCC test target (ubuntu-latest, 11.3.Rel1)	37s
Build GCC test target (ubuntu-latest, 11.3.Rel1)	3m 58s
Build GCC test target (ubuntu-latest, 10.3-2021.10)	3m 12s
Build GCC test target (ubuntu-latest, 10.3-2021.10)	3m 12s
Build GCC test target (ubuntu-latest, 10.3-2021.10)	3m 12s
Build GCC test target (ubuntu-latest, 10.3-2021.10)	3m 12s
Build GCC test target (ubuntu-latest, 9-2020-q2)	3m 42s
Build GCC test target (ubuntu-latest, 9-2020-q2)	3m 42s
Build GCC test target (ubuntu-latest, 9-2020-q2)	3m 42s
Build GCC test target (ubuntu-latest, 9-2020-q2)	3m 42s
Build GCC test target (ubuntu-latest, 8-2019-q3)	4m 47s
Build GCC test target (ubuntu-latest, 8-2019-q3)	4m 47s
Build GCC test target (ubuntu-latest, 8-2019-q3)	4m 47s
Build GCC test target (ubuntu-latest, 8-2019-q3)	4m 47s
	1h 4m 53s

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