boot/boot-wrapper-aarch64: bump to git commit b621b157b4 (2025-06-10)

Changelog:
git log --oneline ac6742520d..b621b157b4

b621b15 aarch64: Enable access into FEAT_SPE_FDS register from EL2 and below
785302c aarch64: Enable use of ZT0
7f5a545 aarch64: Enable use of FPMR
0f3a153 aarch64: shuffle ID_AA64PFR{0,1}_EL1 definitions
0e78492 Makefile: Ensure initrd parameters in /chosen are up-to-date
1571345 aarch64: Enable access into FEAT_PMUv3p9 registers from EL2 and below
e1b9137 aarch64: Enable access into FEAT_FGT2 registers from EL2 and below

Cc: Vincent Stehlé <vincent.stehle@laposte.net>
Signed-off-by: Julien Olivain <ju.o@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

boot/boot-wrapper-aarch64/boot-wrapper-aarch64.hash

@@ -1,5 +1,5 @@
 # Locally computed:
-sha256  faa2843eaa3bc219da5ba9f69c02b45081a7634038faef5cba216d5e927ca2be  boot-wrapper-aarch64-ac6742520ded1da30d500f74e8affe86e27cabd5-git4.tar.gz
+sha256  c9fcac5e28e1501bcffb3b36d56487cbefcf7cb708e00f48fe6360ef82fb3847  boot-wrapper-aarch64-b621b157b42f1fe398520cf499db88aa654c78e2-git4.tar.gz
 
 # Hash for license files:
 sha256  bdaa479b497358151fc1166dc75a613e68321320b945e92ea07a4b6dc9a63271  LICENSE.txt

boot/boot-wrapper-aarch64/boot-wrapper-aarch64.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-BOOT_WRAPPER_AARCH64_VERSION = ac6742520ded1da30d500f74e8affe86e27cabd5
+BOOT_WRAPPER_AARCH64_VERSION = b621b157b42f1fe398520cf499db88aa654c78e2
 BOOT_WRAPPER_AARCH64_SITE = https://git.kernel.org/pub/scm/linux/kernel/git/mark/boot-wrapper-aarch64.git
 BOOT_WRAPPER_AARCH64_SITE_METHOD = git
 BOOT_WRAPPER_AARCH64_LICENSE = BSD-3-Clause