Add accelerator detection to Lmod version of EESSI initialisation #1691

Job	Run time
check_missing (2023.06, aarch64/generic)	12m 3s
check_missing (2023.06, aarch64/neoverse_n1)	11m 45s
check_missing (2023.06, aarch64/neoverse_v1)	11m 45s
check_missing (2023.06, x86_64/amd/zen2)	12m 40s
check_missing (2023.06, x86_64/amd/zen3)	12m 30s
check_missing (2023.06, x86_64/amd/zen4)	9m 25s
check_missing (2023.06, x86_64/intel/haswell)	12m 2s
check_missing (2023.06, x86_64/intel/skylake_avx512)	12m 25s
check_missing (2023.06, x86_64/generic)	12m 7s
	1h 46m 42s

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