lakitu: Update kernel ebuild file to use latest kernel commit

BUG=b/156407116, b/154934850
TEST=sponge2/23024c86-9f93-42ad-9408-ff976674d194
RELEASE_NOTE=Revert "ext4: make dioread_nolock the default"

Change-Id: Ia75400c24a622b0c6d880481ca500a4bb8da7c41
diff --git a/overlay-lakitu/sys-kernel/lakitu-kernel-5_4/lakitu-kernel-5_4-5.4.53-r20.ebuild b/overlay-lakitu/sys-kernel/lakitu-kernel-5_4/lakitu-kernel-5_4-5.4.53-r21.ebuild
similarity index 98%
rename from overlay-lakitu/sys-kernel/lakitu-kernel-5_4/lakitu-kernel-5_4-5.4.53-r20.ebuild
rename to overlay-lakitu/sys-kernel/lakitu-kernel-5_4/lakitu-kernel-5_4-5.4.53-r21.ebuild
index d615118..48f173b 100644
--- a/overlay-lakitu/sys-kernel/lakitu-kernel-5_4/lakitu-kernel-5_4-5.4.53-r20.ebuild
+++ b/overlay-lakitu/sys-kernel/lakitu-kernel-5_4/lakitu-kernel-5_4-5.4.53-r21.ebuild
@@ -9,7 +9,7 @@
 CROS_WORKON_REPO="https://cos.googlesource.com"
 CROS_WORKON_PROJECT="third_party/kernel"
 CROS_WORKON_EGIT_BRANCH="cos-5.4"
-CROS_WORKON_COMMIT="48984bff1c15494f12cfefe2ac2f8db73e60bf58"
+CROS_WORKON_COMMIT="759c7a4eefb1253eef58d705ff704bb8fc2970ff"
 CROS_WORKON_BLACKLIST="1"
 
 CHROMEOS_KERNEL_CONFIG="${FILESDIR}/base.config"