Add optional MAG definitions for BETAFPVF405 and BETAFPVF405_ELRS targets (#880)

* Add optional MAG definitions for BETAFPVF405 and BETAFPVF405_ELRS targets

* Update configs/BETAFPVF405/config.h

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

* Default MAG of BETAFPVF405_ELRS target to I2C1

* Update configs/BETAFPVF405/config.h

Co-authored-by: Mark Haslinghuis <[email protected]>

* Update configs/BETAFPVF405_ELRS/config.h

Co-authored-by: Mark Haslinghuis <[email protected]>

---------

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
Co-authored-by: Mark Haslinghuis <[email protected]>

Author: 3 people

configs/BETAFPVF405/config.h

@@ -60,6 +60,9 @@
 #define UART4_RX_PIN         PA1
 #define UART5_RX_PIN         PD2
 #define UART6_RX_PIN         PC7
+#define I2C1_SCL_PIN         PB8
+#define I2C1_SDA_PIN         PB9
+#define MAG_I2C_INSTANCE     I2CDEV_1
 #define INVERTER_PIN_UART3   PC9
 #define INVERTER_PIN_UART6   PC8
 #define LED0_PIN             PB5

configs/BETAFPVF405_ELRS/config.h

@@ -57,6 +57,8 @@
 #define UART4_RX_PIN         PA1
 #define UART5_RX_PIN         PD2
 #define UART6_RX_PIN         PC7
+#define I2C1_SCL_PIN         PB8
+#define I2C1_SDA_PIN         PB9
 #define INVERTER_PIN_UART3   PC9
 #define INVERTER_PIN_UART6   PC8
 #define LED0_PIN             PB5
@@ -95,6 +97,7 @@
 #define ADC2_DMA_OPT        1
 #define ADC_INSTANCE ADC2
 #define BARO_SPI_INSTANCE SPI3
+#define MAG_I2C_INSTANCE    I2CDEV_1
 
 #define DEFAULT_BLACKBOX_DEVICE     BLACKBOX_DEVICE_FLASH
 #define DEFAULT_DSHOT_BURST DSHOT_DMAR_OFF