Firmware for Matrix 1S Brushed Flight Controller(5IN1)

20260306

Update highlights:

1. Added support for the BMI270 gyroscope (This flight controller uses the BETAPPVG473_V3 target, which does not support the BMI270 gyroscope, so this firmware was compiled by modifying the code).

BF_4.5.2_Matrix Brushed 5IN1 V1.1 BMI270 20260306.hex