Add accelerator detection to Lmod version of EESSI initialisation #1705

Job	Run time
check_missing (2023.06, aarch64/generic)	13m 21s
check_missing (2023.06, aarch64/neoverse_n1)	11m 9s
check_missing (2023.06, aarch64/neoverse_v1)	11m 20s
check_missing (2023.06, x86_64/amd/zen2)	11m 14s
check_missing (2023.06, x86_64/amd/zen3)	11m 36s
check_missing (2023.06, x86_64/amd/zen4)	8m 27s
check_missing (2023.06, x86_64/intel/haswell)	11m 7s
check_missing (2023.06, x86_64/intel/skylake_avx512)	11m 12s
check_missing (2023.06, x86_64/generic)	12m 57s
	1h 42m 23s

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