edgeos: enable CONFIG_USERFAULTFD

BUG=b/352751487
TEST=emerge and verified in qemu that flag is set
RELEASE_NOTE=n/a

Change-Id: Iac0ba434bf3453a80b70f25df429cceaf6f637b8
Reviewed-on: https://cos-review.googlesource.com/c/cos/overlays/board-overlays/+/77879
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: Trevor Schroeder <trevors@google.com>
Reviewed-by: Scott Haiden <scotthaiden@google.com>
diff --git a/project-edgeos/sys-kernel/lakitu-kernel-5_15/files/config.kernel b/project-edgeos/sys-kernel/lakitu-kernel-5_15/files/config.kernel
index 9ce7246..0066ebe 100644
--- a/project-edgeos/sys-kernel/lakitu-kernel-5_15/files/config.kernel
+++ b/project-edgeos/sys-kernel/lakitu-kernel-5_15/files/config.kernel
@@ -256,7 +256,7 @@
 # CONFIG_KALLSYMS_ALL is not set
 CONFIG_KALLSYMS_ABSOLUTE_PERCPU=y
 CONFIG_KALLSYMS_BASE_RELATIVE=y
-# CONFIG_USERFAULTFD is not set
+CONFIG_USERFAULTFD=y
 CONFIG_ARCH_HAS_MEMBARRIER_SYNC_CORE=y
 CONFIG_KCMP=y
 CONFIG_RSEQ=y
diff --git a/project-edgeos/sys-kernel/lakitu-kernel-5_15/lakitu-kernel-5_15-5.15.163-r3.ebuild b/project-edgeos/sys-kernel/lakitu-kernel-5_15/lakitu-kernel-5_15-5.15.163-r4.ebuild
similarity index 100%
rename from project-edgeos/sys-kernel/lakitu-kernel-5_15/lakitu-kernel-5_15-5.15.163-r3.ebuild
rename to project-edgeos/sys-kernel/lakitu-kernel-5_15/lakitu-kernel-5_15-5.15.163-r4.ebuild