hikey: Update README for /vendor and new Mali

Bug: 77862463
Test: Manual

Change-Id: Ic42c6a92d7ce559766eacf6676ed237217f69c90
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/hikey/README b/hikey/README
index 9652e20..7556fd2 100644
--- a/hikey/README
+++ b/hikey/README
@@ -4,11 +4,6 @@
 Pull AOSP source:
 $ 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-20170523-4b9ebaff.tgz
-$ tar xzf linaro-hikey-20170523-4b9ebaff.tgz
-$ ./extract-linaro-hikey.sh
-
 Install mcopy utility:
 $ apt-get install mtools
 
@@ -32,6 +27,7 @@
 Enter fastboot mode by linking J15 1-2 and 5-6 pins
 $ fastboot flash boot out/target/product/hikey/boot.img
 $ fastboot flash system out/target/product/hikey/system.img
+$ fastboot flash vendor out/target/product/hikey/vendor.img
 $ fastboot flash cache out/target/product/hikey/cache.img
 $ fastboot flash userdata out/target/product/hikey/userdata.img
 Remove jumper 5-6 and power the board
@@ -58,4 +54,4 @@
 External links:
 Board: https://www.96boards.org/products/ce/hikey/
 Howto: https://github.com/96boards/documentation/wiki/LatestSnapshots
-Schematics: https://www.96boards.org/wp-content/uploads/2015/02/96Boards-Hikey-Rev-A1.pdf
+Schematics: https://github.com/96boards/documentation/blob/master/consumer/hikey/hardware-docs/HiKey_schematics_LeMaker_version_Rev_A1.pdf