x86: Rename i386 to x86

Signed-off-by: Graeme Russ <graeme.russ@gmail.com>
diff --git a/README b/README
index c9fedd8..4917e26 100644
--- a/README
+++ b/README
@@ -164,7 +164,7 @@
   /blackfin		Files generic to Analog Devices Blackfin architecture
     /cpu		CPU specific files
     /lib		Architecture specific library files
-  /i386			Files generic to i386 architecture
+  /x86			Files generic to x86 architecture
     /cpu		CPU specific files
     /lib		Architecture specific library files
   /m68k			Files generic to m68k architecture