dragon: Update prebuilt kernel to 56b82d2091e5fb01959ea340de0154018780aa21

Build: trybot-smaug-paladin/R48-7566.1.0-b530

Changes include:
* 56b82d2 CHROMIUM: zram: lz4: fallback to vmalloc allocation

Change-Id: Ifa0a4a8316d60dc45ef2af0512912474b447e47a
diff --git a/Image.fit b/Image.fit
index 4f94d8c..9534749 100644
--- a/Image.fit
+++ b/Image.fit
Binary files differ