lakitu: Update kernel ebuild file to use latest kernel commit.

BUG=b/162485189
TEST=presubmit (sponge2/3b2c8197-ae81-44a6-aee4-335fe5d7c914)
RELEASE_NOTE=Updated the Linux kernel to v5.4.54.

Change-Id: I22de7111818544a69c3dcfcdc5116774078e26a4
diff --git a/overlay-lakitu/sys-kernel/lakitu-kernel-5_4/lakitu-kernel-5_4-5.4.53-r21.ebuild b/overlay-lakitu/sys-kernel/lakitu-kernel-5_4/lakitu-kernel-5_4-5.4.54-r22.ebuild
similarity index 98%
rename from overlay-lakitu/sys-kernel/lakitu-kernel-5_4/lakitu-kernel-5_4-5.4.53-r21.ebuild
rename to overlay-lakitu/sys-kernel/lakitu-kernel-5_4/lakitu-kernel-5_4-5.4.54-r22.ebuild
index 48f173b..046101d 100644
--- a/overlay-lakitu/sys-kernel/lakitu-kernel-5_4/lakitu-kernel-5_4-5.4.53-r21.ebuild
+++ b/overlay-lakitu/sys-kernel/lakitu-kernel-5_4/lakitu-kernel-5_4-5.4.54-r22.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="759c7a4eefb1253eef58d705ff704bb8fc2970ff"
+CROS_WORKON_COMMIT="750921c73bf07e896a542cb97cce37b9f76ca4f8"
 CROS_WORKON_BLACKLIST="1"
 
 CHROMEOS_KERNEL_CONFIG="${FILESDIR}/base.config"