For this patch lexer and parser files were regenerated with newer versions
of Flex(2.5.39) and Bison(3.0.2). Because YYLEX_PARAM was deprecated and removed
from Bison, it was replaced with %param. The change was inspired by Angle source
code.

Change-Id: I7ac60041aabb78567860653a0663ec9adb205e8a
Reviewed-on: https://swiftshader-review.googlesource.com/4115Reviewed-by: Nicolas Capens <capn@google.com>
Tested-by: Veranika Liaukevich <veranika@google.com>