package/psplash: bump to revision 53ae74a
This includes the following changes:
53ae74a configure.ac: fix autoconf code for img_fullscreen
ec1ed35 configure.ac: standardize default-enabled options
1f64c65 README: Update mailing list to point to yocto-patches ml
b1a75fd psplash: Only define bool if using C standard older than C23
5a32cf6 psplash.c: fix crash from length becoming negative
ecc1913 SECURITY.md: Add file
Signed-off-by: Olivier Benjamin <olivier.benjamin@bootlin.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>
Olivier Benjamin