tcg: Make tcg/helper-info.h self-contained

Move MAX_CALL_IARGS from tcg.h and include for
the define of TCG_TARGET_REG_BITS.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
3 files changed