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include/ChangeLog: * xtensa-config.h: New file imported from binutils. gcc/ChangeLog: * config/xtensa/lib1funcs.asm: Use "xtensa-config.h" from top-level include directory. * config/xtensa/lib2funcs.S: Likewise. * config/xtensa/xtensa.h: Likewise. * config/xtensa/xtensa-config.h: Remove. * doc/install.texi: Update location of "xtensa-config.h" header. From-SVN: r68747