hikey: Update README to download proper Mali binary am: 7279e97828 am: 8cba237ebd am: 2c01bc1107
am: 791aca9de8

Change-Id: Icb87b5d6527fe95e22f4cdddce7dbcf398dfc720
diff --git a/hikey/README b/hikey/README
index 4995736..9652e20 100644
--- a/hikey/README
+++ b/hikey/README
@@ -5,8 +5,8 @@
 $ repo init -u https://android.googlesource.com/platform/manifest -b master & repo sync -j24
 
 Download and extract HDMI binaries:
-$ wget https://dl.google.com/dl/android/aosp/linaro-hikey-20160226-67c37b1a.tgz
-$ tar xzf linaro-hikey-20160226-67c37b1a.tgz
+$ wget https://dl.google.com/dl/android/aosp/linaro-hikey-20170523-4b9ebaff.tgz
+$ tar xzf linaro-hikey-20170523-4b9ebaff.tgz
 $ ./extract-linaro-hikey.sh
 
 Install mcopy utility: