twister: normalize platform name when storing files/data #102572

Job	Run time
twister-build-prep	11s
twister-build (1)	1h 2m 19s
twister-build (2)	57m 59s
twister-build (3)	38m 15s
twister-build (4)	1h 34m 24s
twister-build (5)	1h 14m 0s
twister-build (6)	1h 5m 5s
twister-build (7)	42m 20s
twister-build (8)	42m 24s
twister-build (9)	28m 51s
twister-build (10)	35m 41s
twister-build (11)	41m 42s
twister-build (12)	41m 36s
twister-build (13)	48m 1s
twister-build (14)	47m 38s
twister-build (15)	42m 41s
Publish Unit Tests Results	1m 49s
Check Twister Status / all jobs passed	1s
	12h 44m 57s

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