Simple scripting translation of the kernel deblob found at https://wiki.gentoo.org/wiki/Kernel_Deblobing
get-deblob make easier and faster the Kernel_Deblobing process, in 1 command line, the script can fetch, chmod and check the integrity (signed file).
get-deblob work with 5.4 and higher version, lower version have not been tested (could or could not work)