AP_HAL_ChibiOS: use faster SPI clock for BMI270 on MambaH743 and KakuteH7v2

libraries/AP_HAL_ChibiOS/hwdef/KakuteH7v2/hwdef.dat

@@ -44,7 +44,7 @@ PB11 VTX_PWR OUTPUT HIGH GPIO(81)
 define RELAY2_PIN_DEFAULT 81
 
 SPIDEV dataflash SPI1 DEVID1 SDCARD_CS      MODE3 104*MHZ 104*MHZ
-SPIDEV bmi270    SPI4 DEVID1 ICM20689_CS    MODE3  1*MHZ  4*MHZ
+SPIDEV bmi270    SPI4 DEVID1 ICM20689_CS    MODE3  1*MHZ  10*MHZ # Clock is 100Mhz so highest clock <= 10Mhz is 100Mhz/16
 
 IMU BMI270 SPI:bmi270 ROTATION_ROLL_180
 

libraries/AP_HAL_ChibiOS/hwdef/MambaH743v4/hwdef.dat

@@ -156,7 +156,7 @@ DMA_NOSHARE SPI3* SPI1*
 
 # spi devices
 SPIDEV mpu6000   SPI1 DEVID1 MPU6000_CS   MODE3   1*MHZ   4*MHZ
-SPIDEV bmi270    SPI1 DEVID2 MPU6000_CS   MODE3   1*MHZ   4*MHZ
+SPIDEV bmi270    SPI1 DEVID2 MPU6000_CS   MODE3   1*MHZ  10*MHZ # Clock is 100Mhz so highest clock <= 10Mhz is 100Mhz/16
 SPIDEV mpu6000_2 SPI4 DEVID4 MPU6000_2_CS MODE3   1*MHZ   4*MHZ
 SPIDEV dataflash SPI3 DEVID1 FLASH_CS     MODE3 104*MHZ 104*MHZ
 SPIDEV osd       SPI2 DEVID4 MAX7456_CS   MODE0  10*MHZ  10*MHZ