flounder: update pre-built kernel (sensor timestamp accuracy)

* 262b2ab i2c: chip: CwMcuSensor: Enhance timestamp accuracy

Signed-off-by: Mark Salyzyn <salyzyn@google.com>
Change-Id: I6182358a98048419407ab0cc644d04996f7f1f6b
diff --git a/Image.gz-dtb b/Image.gz-dtb
index d0cd05c..a9b0d38 100644
--- a/Image.gz-dtb
+++ b/Image.gz-dtb
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