ta_bin_to_c.py: fix issues reported by pycodestyle and re-indent
ta_bin_to_c.py: fix issues reported by pycodestyle and re-indent

Fixes issues reported by: pycodestyle ta_bin_to_c.py and re-indent
(4 spaces).
Patch obtained by running: autopep8 -i -a -a ta_bin_to_c.py.

Signed-off-by: Jerome Forissier <ced78d268b4c9a0a20a59a9feeebd2ad90da03d3@linaro.org>
Acked-by: Jens Wiklander <7706914404370d7502c27a0eff493dcf491feb51@linaro.org>

pascal-brand-st-dev/optee_os,pascal-brand-st-dev/optee_os,pascal-brand-st-dev/optee_os,pascal-brand-st-dev/optee_os,pascal-brand-st-dev/optee_os