Revert "flo: update prebuilt kernel [DO NOT MERGE]"

This reverts commit 0d7a8410dc7edfdd9c8150eae511b586425aba8e.

Change-Id: Id2dc463528fef51fa01a2f1ede5d746bd50edd1e
diff --git a/kernel b/kernel
old mode 100755
new mode 100644
index be4db83..6fc5ef5
--- a/kernel
+++ b/kernel
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