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

BUG=b/167730744
TEST=presubmit
RELEASE_NOTE=Fixed overflow in tpacket_rcv, which caused CVE-2020-14386.

Change-Id: I17cc44809deb2e6dfcfaeb23372537765fcee001
diff --git a/overlay-lakitu/sys-kernel/lakitu-kernel-5_4/lakitu-kernel-5_4-5.4.61-r31.ebuild b/overlay-lakitu/sys-kernel/lakitu-kernel-5_4/lakitu-kernel-5_4-5.4.61-r32.ebuild
similarity index 98%
rename from overlay-lakitu/sys-kernel/lakitu-kernel-5_4/lakitu-kernel-5_4-5.4.61-r31.ebuild
rename to overlay-lakitu/sys-kernel/lakitu-kernel-5_4/lakitu-kernel-5_4-5.4.61-r32.ebuild
index 1c1da92..43ad408 100644
--- a/overlay-lakitu/sys-kernel/lakitu-kernel-5_4/lakitu-kernel-5_4-5.4.61-r31.ebuild
+++ b/overlay-lakitu/sys-kernel/lakitu-kernel-5_4/lakitu-kernel-5_4-5.4.61-r32.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="e4e286e9fa35f3e52882d3acbc010c51acb1c3be"
+CROS_WORKON_COMMIT="4d64e87ddd30cd19fb16caaae5cc3fc81a135e16"
 CROS_WORKON_LOCALNAME="kernel/v5.4"
 CROS_WORKON_BLACKLIST="1"