Period of STM32 Timer

[tongtybj]

We should add -1 while setting timer period in STM32Cube32:

Spinal:

• https://github.com/JSKAerialRobot/aerial_robot/blob/master/aerial_robot_nerve/spinal/mcu_project/Src/tim.c#L57
• https://github.com/JSKAerialRobot/aerial_robot/blob/master/aerial_robot_nerve/spinal/mcu_project/Src/tim.c#L79
• https://github.com/JSKAerialRobot/aerial_robot/blob/master/aerial_robot_nerve/spinal/mcu_project/Src/tim.c#L115
• https://github.com/JSKAerialRobot/aerial_robot/blob/master/aerial_robot_nerve/spinal/mcu_project/Src/tim.c#L154
• https://github.com/JSKAerialRobot/aerial_robot/blob/master/aerial_robot_nerve/spinal/mcu_project/Src/tim.c#L186

Neuron:

• https://github.com/JSKAerialRobot/aerial_robot/blob/master/aerial_robot_nerve/neuron/neuron_f4/Src/tim.c#L61
• https://github.com/JSKAerialRobot/aerial_robot/blob/master/aerial_robot_nerve/neuron/neuron_f4/Src/tim.c#L88

Refer to:
https://github.com/greenpepper123/aerial_robot/blob/eb00652fff7d9a1982dd20c56c9998e38f3874db/aerial_robot_nerve/spinal/mcu_project/Src/stm32f7xx_hal_timebase_tim.c#L74