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>

package/psplash/psplash.hash

@@ -1,3 +1,3 @@
 # Locally computed
-sha256  06def825088f44422fad8a885077d917db6f47688457d4a0953c2ff6f6036378  psplash-44afb7506d43cca15582b4c5b90ba5580344d75d-git4.tar.gz
+sha256  18efa5f56e5b2ff4e8916b7632e7da59122e33f79bb514a8e225e12931e3ef20  psplash-53ae74a36bf17675228552abb927d2f981940a6a-git4.tar.gz
 sha256  f9c375a1be4a41f7b70301dd83c91cb89e41567478859b77eef375a52d782505  COPYING

package/psplash/psplash.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-PSPLASH_VERSION = 44afb7506d43cca15582b4c5b90ba5580344d75d
+PSPLASH_VERSION = 53ae74a36bf17675228552abb927d2f981940a6a
 PSPLASH_SITE = https://git.yoctoproject.org/psplash
 PSPLASH_SITE_METHOD = git
 PSPLASH_LICENSE = GPL-2.0+