[U-Boot] [RFC PATCH 26/44] Add minor updates to README.fdt-control

[Simon Glass]

A few things have changed since this doc was written, so update it to
match the current state of things.

Signed-off-by: Simon Glass <sjg at chromium.org>
---
 doc/README.fdt-control |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/doc/README.fdt-control b/doc/README.fdt-control
index 69c69de..ba17879 100644
--- a/doc/README.fdt-control
+++ b/doc/README.fdt-control
@@ -49,6 +49,10 @@ the features of each board in the device tree file, and have a single
 generic source base.
 
 To enable this feature, add CONFIG_OF_CONTROL to your board config file.
+It is currently supported on ARM, x86 and Microblaze - other architectures
+will need to add code to their arch/xxx/lib/board.c file to locate the
+FDT, at least until generic board support is complete. For ARM, Tegra and
+Exynos5 have device trees available for common devices.
 
 
 What is a Flat Device Tree?
@@ -99,7 +103,8 @@ Then run the compiler (your version will vary):
 	*   Bad configuration:	0
 	* Strange test result:	0
 
-You will also find a useful ftdump utility for decoding a binary file.
+You will also find a useful fdtdump utility for decoding a binary file, as
+well as fdtget/fdtput for reading and writing properties in a binary file.
 
 
 Where do I get an fdt file for my board?
-- 
1.7.7.3