linux-libc-headers: add 6.10 patched kernel headers

kselftest needs bleeding-edge kernel headers as it wants to use the new
symbols, so add a recipe.

Signed-off-by: Ross Burton <ross.burton@arm.com>

meta-arm-gcs/gcs.yml

@@ -28,6 +28,7 @@ local_conf_header:
     IMAGE_CLASSES += "fvpboot"
     # Use the 6.8 kernel
     PREFERRED_PROVIDER_virtual/kernel = "linux-yocto-dev"
+    LINUXLIBCVERSION = "6.10"
     # No root password for ease
     EXTRA_IMAGE_FEATURES += "empty-root-password allow-empty-password allow-root-login"
     # Install a toolchain

meta-arm-gcs/recipes-kernel/linux-libc-headers/linux-libc-headers_6.10.bb

@@ -0,0 +1,14 @@
+require ${COREBASE}/meta/recipes-kernel/linux-libc-headers/linux-libc-headers.inc
+
+FILESEXTRAPATHS:prepend = "${THISDIR}/../linux/files/:"
+
+KBRANCH = "v6.10/standard/base"
+# 6.10-rc3
+SRCREV = "83a7eefedc9b56fe7bfeff13b6c7356688ffa670"
+
+SRC_URI = "git://git.yoctoproject.org/linux-yocto-dev.git;branch=${KBRANCH};protocol=https"
+SRC_URI += "file://gcs.patch"
+
+LIC_FILES_CHKSUM = "file://COPYING;md5=6bc538ed5bd9a7fc9398086aedcd7e46"
+
+S = "${WORKDIR}/git"