collect-info.sh: add debug info from ModemManager #11767

Job	Run time
test_suite_pr	0s
test_suite_tag	0s
test_suite_master / Smoke tests (ext4, true)	30m 11s
test_suite_master / Smoke tests (ext4, false)	39m 3s
test_suite_master / Smoke tests (zfs, true)	56m 56s
test_suite_master / Smoke tests (zfs, false)	14m 16s
test_suite_master / Networking test suite	1h 27m 50s
test_suite_master / EVE upgrade test suite (ext4)	54m 59s
test_suite_master / EVE upgrade test suite (zfs)	1h 26m 52s
test_suite_master / Storage test suite (ext4)	26m 50s
test_suite_master / LPC LOC test suite	1h 37m 3s
test_suite_master / User apps test suite	1h 11m 17s
test_suite_master / Storage test suite (zfs)	1h 18m 30s
	10h 43m 47s

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