tools: print accel profiles up to 1000 mm/s

tools: print accel profiles up to 1000 mm/s

The range that matters is 0-200, maybe up to 400 if you account for really
fast movements. But to match other, published, accel curves default to up to
1000 mm/s. It's easy enough in gnuplot to reduce the range.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>