[model_parser] Hide instruction counts by verbose option (#3487)

[model_parser] Hide instruction counts by verbose option (#3487)

Hides instruction counts by verbose option. Now -v or --verbose can skip
printing instruction counts. You can use this verbose option as follows
- With verbose level 0, prints only summary of tflite
- With verbose level 1(default), prints all like current default except for
instructions
- With verbose level 2, prints all like current default including for
instructions

Signed-off-by: Yongseop Kim <yons.kim@samsung.com>