configs/olpc_xo175_defconfig: bump kernel version to 6.13.6

Update kernel to version 6.13.6. Tested.

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Julien Olivain <ju.o@free.fr>

configs/olpc_xo175_defconfig

@@ -1,12 +1,12 @@
 BR2_arm=y
 BR2_pj4=y
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_8=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_13=y
 BR2_ROOTFS_POST_BUILD_SCRIPT="board/olpc/post-build.sh"
 BR2_ROOTFS_POST_IMAGE_SCRIPT="support/scripts/genimage.sh"
 BR2_ROOTFS_POST_SCRIPT_ARGS="-c board/olpc/genimage.cfg"
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_VERSION=y
-BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.8.2"
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.13.6"
 BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
 BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/olpc/xo-1.75/linux.config"
 BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="board/olpc/linux.config"