v2.7.1
nvme: Add output-format default option instead of argconfig json option
util: Fix base64.c linux kernel check patch errors and warnings
treewide: Add SPDX identifier
cleanup: remove unused cleanup_charp()
util: Fix crc32.c linux kernel check patch errors and warnings
util: Add crc32 implementation
util: Revert JSON output to plain numbers
json: fix seg. fault converting NULL to JSON string
nvme: replace libhugetlbfs with mmap and madvise
util: Fix suffix_si_parse to parse no decimal point but suffix value correctly
util: Update suffix_binary_parse API
util: handle utf-8 thousend separators correctly
util/types: Add generic spinner