Add new target ORBITF435

[orbittechnologyx]

Hello,
This target is already supported in official Betaflight firmware (Betaflight Wiki) . Also I want to add in official Inav firmware. Could you please review the configuration?

Here is the specs:

• MCU: AT32F435
• IMU: ICM42688P
• OSD: AT7456
• Baro: DPS368 (new version of DPS310)
• Blackbox: 16MB Flash and SD Card
• Power input: 2S - 6S LiPo (note: output will be lower than 10V when using 2S).
• Power output: 3.3V/500mA, 4.5V-5V/2.5A, 10V/3A
• RSSI input: RSSI input solder pad
• I2C: Used for external magnetometer (GPS module), Barometer module
• ESC: 8 pwm pins for motors
• USB Connector: USB Type-C
• UARTs: 6x
• SWD: Yes
• Analog RSSI Input: Yes
• LED Strip Output: Yes
• Buzzer Output: Yes
• SPI: No
• Current Sensor: No
• ADC for external current sensor: Yes

[mmosca]

Hello @orbittechnologyx, please have a look at https://github.com/iNavFlight/inav/blob/master/docs/policies/NEW_HARDWARE_POLICY.md

Your PR is a great first step, but we also need samples to validate it works as expected.

Please reach out to me over on INAV's Discord and I can help organize the process.