boards: renesas: Add support for Renesas RA entropy running on TRNG HWIP #153052

Job	Run time
twister-build-prep / prep_pr	3m 25s
twister-build-prep / prep_push	0s
twister-build (1)	44m 23s
twister-build (2)	45m 41s
twister-build (3)	53m 35s
twister-build (4)	40m 44s
twister-build (5)	33m 39s
twister-build (6)	25m 1s
twister-build (7)	30m 39s
twister-build (8)	23m 44s
twister-build (9)	27m 6s
twister-build (10)	23m 47s
Publish Unit Tests Results	16s
Check Twister Status / all jobs passed	1s
	5h 52m 1s

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