util/cbfstool: Revise lex/yacc (bison) generation
Revise the Makefile.inc rules for generating FMD parser files. - lex: If --header-file is supported then the lex (usually flex) should also support '-o' so we don't need to do redirection (-t). - yacc: Bison is already required by bincfg and sconfig so we can change the default parser compiler to Bison. That also allows us to use -o and --defines to override the output files. - both: Line directives are only helpful when debugging the scanner and the parser, so we should remove them to get better git diff results (-L for lex, -l for bison). Also regenerated the shipped files with latest version of flex (2.6.4) and bison (3.8.2). Change-Id: I15b58ff65dcd9f3f3a6095aa004091ff733ffec3 Signed-off-by: Hung-Te Lin <hungte@chromium.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/75851 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org>
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Martin L Roth
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