hikey-kernel: Update kernel prebuilt to v4.4.19 (a8c5cd2) am: d668a09d8d am: 6fed2f2716 am: 0fa3f505bf
am: 21c56eec08

Change-Id: Ibcf3fd9add4cee48b6cf5a24f3ed77a296a5913b
diff --git a/Image-dtb b/Image-dtb
index f42cbe8..a96acc7 100755
--- a/Image-dtb
+++ b/Image-dtb
Binary files differ
diff --git a/hi6220-hikey.dtb b/hi6220-hikey.dtb
index 819dd77..d1dd3ad 100644
--- a/hi6220-hikey.dtb
+++ b/hi6220-hikey.dtb
Binary files differ