Create Drv::I2cDriver Interface

[LeStarch]

F´ Version
Affected Component

---

Feature Description

Make an interface out of Drv/LinuxI2cDriver protocol. See #2255 for an example interface change set.

The following three ports should be pulled out of Drv::LinuxI2cDriver into Svc/Interfaces/I2cInterface.fppi such that other I2C implementations can use it.

fprime/Drv/LinuxI2cDriver/LinuxI2cDriver.fpp

Lines 5 to 9 in a73bff2

	guarded input port write: Drv.I2c
	guarded input port read: Drv.I2c
	guarded input port writeRead: Drv.I2cWriteRead

Note: annotations should be added to explain what each port does.