Update README.md in boot

0dbcdbbb · Jens Korinth · 1871ad51 · 0dbcdbbb
Commit 0dbcdbbb authored May 23, 2017 by Jens Korinth
--- a/boot/README.md
+++ b/boot/README.md
@@ -10,4 +10,7 @@ Automates the following steps
  * export .hdf file
  * use hsi to build FSBL
  * use bootgen to generate boot image BOOT.BIN
+  * download PyNQ standard SDcard image as base
+  * extract root FS from image, and FSBL/SSBL, devicetree for PyNQ
+  * prepare SD device to generate bootable SD (optional)