samples: adxl372: switch i2c interface on frdm_k64f

Switch to using I2C0 as this I2C controller on the FRDM-K64F is actually
configured (pinmux) for use and is available on an arduino header if
someone would wire up an adxl372 to it.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>

samples/sensor/adxl372/boards/frdm_k64f.overlay

diff --git a/samples/sensor/adxl372/boards/frdm_k64f.overlay b/samples/sensor/adxl372/boards/frdm_k64f.overlay
index dffc43c..c9c81ae 100644
--- a/samples/sensor/adxl372/boards/frdm_k64f.overlay
+++ b/samples/sensor/adxl372/boards/frdm_k64f.overlay
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-&i2c1 {
+&i2c0 {
 	status = "okay";
 	clock-frequency = <I2C_BITRATE_STANDARD>;
 	adxl372@11 {