update README

Signed-off-by: Kabbone <tobias@opel-online.de>

README.md

@@ -1,3 +1,14 @@
 # rock64
 
-changes, Packages, Information
+changes, Packages, Information
+
+dd if=rksd_load.img of=/dev/mmcblk1 seek=64 conv=notrunc
+dd if=u-boot.itb of=/dev/mmcblk1 seek=16384 conv=notrunc
+
+layout, see:
+http://opensource.rock-chips.com/wiki_U-Boot
+http://opensource.rock-chips.com/wiki_Boot_option
+![alt text](./Rockchip_bootflow.jpg "Partition Layout")
+
+ARM-Trusted-Firmware:
+http://opensource.rock-chips.com/wiki_ATF