fs_config: correct README

Testing on earlier versions of Python indicated an error in the
README. Python's ConfigParser prior to version 3.2 allows for
sections within the same file to override later sections.
Correct the README.

Test: Checked diff and hash of output file from before and after.
Change-Id: Ifd3f78414b4803e4b74decb1fdf6816d4902c4a2
Signed-off-by: William Roberts <william.c.roberts@intel.com>

diff --git a/tools/fs_config/README b/tools/fs_config/README
index 7eca4a3..0258687 100644 (file)
--- a/tools/fs_config/README
+++ b/tools/fs_config/README
@@ -67,8 +67,9 @@ caps:
    * hex (0xFF)
   For multiple caps, just separate by whitespace.
 
-It is an error to specify multiple sections with the same [path]. Per the ini
-specifications enforced by Pythons ConfigParser.
+It is an error to specify multiple sections with the same [path] in different
+files. Note that the same file may contain sections that override the previous
+section in Python versions <= 3.2. In Python 3.2 it's set to strict mode.
 
 
 The next section type is the "AID" section, for specifying OEM specific AIDS.
@@ -84,13 +85,13 @@ Where:
   The <name> can be any valid character for a #define identifier in C.
 
 value:
-  A valid C style number string. Hex, octal, binary and decimal are supported. See "caps"
-  above for more details on number formatting.
+  A valid C style number string. Hex, octal, binary and decimal are supported.
+  See "caps" above for more details on number formatting.
 
-It is an error to specify multiple sections with the same [AID_<name>]. Per the ini
-specifications enforced by Pythons ConfigParser. It is also an error to specify
-multiple sections with the same value option. It is also an error to specify a value
-that is outside of the inclusive OEM ranges:
+It is an error to specify multiple sections with the same [AID_<name>]. With
+the same constraints as [path] described above. It is also an error to specify
+multiple sections with the same value option. It is also an error to specify a
+value that is outside of the inclusive OEM ranges:
  * AID_OEM_RESERVED_START(2900) - AID_OEM_RESERVED_END(2999)
  * AID_OEM_RESERVED_2_START(5000) - AID_OEM_RESERVED_2_END(5999)