[Buildroot] [git commit branch/2025.08.x] configs/stm32f746_disco_sd: bump Linux to 5.15.194

[Arnout Vandecappelle]

commit: https://git.buildroot.net/buildroot/commit/?id=e40898e7dc10935f13b198260daa725cf0475fb0
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/2025.08.x

The patch bumps the Linux kernel to version 5.15.194

Signed-off-by: Dario Binacchi <dario.binacchi at amarulasolutions.com>
Signed-off-by: Julien Olivain <ju.o at free.fr>
(cherry picked from commit 43be25a237c43739916602140683be16228d258b)
[thomas: Only kernel bump]
Signed-off-by: Thomas Perale <thomas.perale at mind.be>
---
 board/stmicroelectronics/stm32f746-disco/patches/linux/linux.hash | 2 +-
 configs/stm32f746_disco_sd_defconfig                              | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/board/stmicroelectronics/stm32f746-disco/patches/linux/linux.hash b/board/stmicroelectronics/stm32f746-disco/patches/linux/linux.hash
index 4e0aeb77d8..27549bda93 100644
--- a/board/stmicroelectronics/stm32f746-disco/patches/linux/linux.hash
+++ b/board/stmicroelectronics/stm32f746-disco/patches/linux/linux.hash
@@ -1,2 +1,2 @@
 # Locally calculated
-sha256  9319a47b1e9b5d344ff6015431856d0c9640e4faedc527c87f9129061a27136f  linux-5.15.179.tar.xz
+sha256  348d6faada05fd4684450cd7c4e666c3c98cdb96f2309b1520c9a92a378c267e  linux-5.15.194.tar.xz
diff --git a/configs/stm32f746_disco_sd_defconfig b/configs/stm32f746_disco_sd_defconfig
index 71004ef823..eee67843aa 100644
--- a/configs/stm32f746_disco_sd_defconfig
+++ b/configs/stm32f746_disco_sd_defconfig
@@ -10,7 +10,7 @@ BR2_ROOTFS_POST_IMAGE_SCRIPT="support/scripts/genimage.sh"
 BR2_ROOTFS_POST_SCRIPT_ARGS="-c board/stmicroelectronics/stm32f746-disco/genimage.cfg"
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.15.179"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.15.194"
 BR2_LINUX_KERNEL_DEFCONFIG="stm32"
 BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="board/stmicroelectronics/stm32f746-disco/linux.fragment"
 BR2_LINUX_KERNEL_IMAGE_TARGET_CUSTOM=y