flounder: update prebuilt kernel

2957c1da Revert "video: tegra: nvmap: create per-pid debugfs memory data"

Bug: 17689644
Bug: 18465575

Change-Id: I430738c32b5abfd4a50b1dac6c419c2c6794b66f
Signed-off-by: Greg Hackmann <ghackmann@google.com>
diff --git a/Image.gz-dtb b/Image.gz-dtb
index ee83490..9f4ba52 100644
--- a/Image.gz-dtb
+++ b/Image.gz-dtb
Binary files differ