scripts: Modify conf2ini2.py script for emphasis_disabled in drc
scripts: Modify conf2ini2.py script for emphasis_disabled in drc

There is a new parameter emphasis_disabled in drc. This patch modifies
conf2ini2.py script so it honors the "drc.emphasis_disabled" in config
file generated by new http://audio-tuning.appspot.com/ and generate
dsp.ini file containing emphasis_disabled in input_4 of [drc].

BUG=chrome-os-partner:25940
TEST=run conf2ini2 file on config file with "drc.emphasis_disabled": 0,
check output contains "intput_4=0      ; emphasis_disabled" in [drc]
section.

Change-Id: I12347f9a7215c2fbcdb65588a32f327cd29737e5
Reviewed-on: https://chromium-review.googlesource.com/186858
Reviewed-by: Hsinyu Chao <8b91762bdbe27d3121b311091d7ca5125e9a8df6@chromium.org>
Commit-Queue: Cheng-Yi Chiang <7226c36972b1e885065c866165c0a3fa5fd602de@chromium.org>
Tested-by: Cheng-Yi Chiang <7226c36972b1e885065c866165c0a3fa5fd602de@chromium.org>

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