Added OF_STDOUT_PATH and OF_SOC

OF_STDOUT_PATH specifies the path to the device the kernel can use
for console output

OF_SOC specifies the proper name of the SOC node if one exists.
Patch by Kumar Gala 11 Jan 2006
diff --git a/README b/README
index 3b64fe2..ecaef9e 100644
--- a/README
+++ b/README
@@ -411,7 +411,9 @@
 		The maximum size of the constructed OF tree.
 
 		OF_CPU - The proper name of the cpus node.
+		OF_SOC - The proper name of the soc node.
 		OF_TBCLK - The timebase frequency.
+		OF_STDOUT_PATH - The path to the console device
 
 		CONFIG_OF_HAS_BD_T