arm-autonomy/linux-arm-autonomy: apply runstate fix to kernels older than 5.10

The patch introduced in 82ffc86 is a backport from the 5.10 version. Hence,
just apply it for kernels older than 5.10.

Issue-Id: SCM-2033
Signed-off-by: Diego Sueiro <diego.sueiro@arm.com>
Change-Id: I6bccc0c75d931d8046260c61afb53395bb9d2d1b
Signed-off-by: Jon Mason <jon.mason@arm.com>

meta-arm-autonomy/recipes-kernel/linux/arm-autonomy-kmeta/features/arm-autonomy/xen-common.scc

@@ -1,5 +1,3 @@
 define KFEATURE_DESCRIPTION "Common XEN (Host and Guest) configs and patches on autonomy systems"
 
 kconf non-hardware xen-common.cfg
-
-patch 0001-xen-arm-do-not-setup-the-runstate-info-page-if-kpti-.patch

meta-arm-autonomy/recipes-kernel/linux/linux-arm-autonomy.inc

@@ -33,3 +33,13 @@ KMACHINE_arm64-autonomy-guest = "arm64-autonomy-guest"
 # Add Minimal Kernel Configs for Docker runtime
 KERNEL_FEATURES += "${@bb.utils.contains('DISTRO_FEATURES', \
         'docker', 'features/arm-autonomy/docker-minimal.scc', '', d)}"
+
+python() {
+    from distutils.version import LooseVersion
+
+    kernelVersion = d.getVar('LINUX_VERSION')
+
+    if kernelVersion and LooseVersion(kernelVersion) < '5.10':
+        if oe.utils.any_distro_features(d, "arm-autonomy-host arm-autonomy-guest"):
+            d.appendVar('SRC_URI', ' file://files/0001-xen-arm-do-not-setup-the-runstate-info-page-if-kpti-.patch' )
+}