i2c: switch all i2c drivers definitions to use i2c bus interface type instead of machine package concrete type

Signed-off-by: deadprogram <ron@hybridgroup.com>

bmp280/bmp280.go

@@ -1,8 +1,9 @@
 package bmp280
 
 import (
-	"machine"
 	"time"
+
+	"tinygo.org/x/drivers"
 )
 
 // OversamplingMode is the oversampling ratio of the temperature or pressure measurement.
@@ -19,7 +20,7 @@ type Filter uint
 
 // Device wraps an I2C connection to a BMP280 device.
 type Device struct {
-	bus         machine.I2C
+	bus         drivers.I2C
 	Address     uint16
 	cali        calibrationCoefficients
 	Temperature Oversampling
@@ -52,7 +53,7 @@ type calibrationCoefficients struct {
 //
 // This function only creates the Device object, it does not initialize the device.
 // You must call Configure() first in order to use the device itself.
-func New(bus machine.I2C) Device {
+func New(bus drivers.I2C) Device {
 	return Device{
 		bus:     bus,
 		Address: Address,