Update hash of COPYING and add CREDITS to license files as most of the
original COPYING content moved to CREDITS and COPYING now contains
GPL-2.0+ text since version 2.0.90 and
1304c0c11c
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>