Add IDENTIFIER_NODE to description of TARGET_ASM_NAMED_SECTION

[Paulo Matos]

As a followup to:
http://gcc.gnu.org/ml/gcc/2012-10/msg00276.html

2012-10-19  Paulo Matos    <pma...@broadcom.com>
        * tm.texi, tm.texi.in: Add IDENTIFIER_NODE as an alternative possibility
        to possible values of decl.

Paulo Matos

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Description: doc.patch