dragon: Update prebuilt kernel to 673a0c7abf3ecfa3bfc5eaf1dc82da85dbc1040a

Build: trybot-smaug-paladin/R48-7566.1.0-b578

Changes include:
* 673a0c7 CHROMIUM: drm/tegra: Add check for planar rotations

Change-Id: I459470b631a311e951dd548511e22389664b6d9c
diff --git a/Image.fit b/Image.fit
index 749b71d..5a384fe 100644
--- a/Image.fit
+++ b/Image.fit
Binary files differ