tools/mpy-tool.py: Fix offset of line number info. (#2)
tools/mpy-tool.py: Fix offset of line number info. (#2)

Signed-off-by: Martin Milata <54669547a225ff20cba8b75a4adca540eef25858@martinmilata.cz>

(cherry picked from commit 359ca436b78a2cd83c3a9675809db922f2598198)
trezor/micropython,trezor/micropython,trezor/micropython,trezor/micropython,trezor/micropython