Prepapre for new board revision

Change-Id: I475d6f1f2617ab6aa783e80cdef909c0c633429d
diff --git a/board/czechlight/clearfog/clearfog-output-voa.dtsi b/board/czechlight/clearfog/clearfog-output-voa.dtsi
index b2582e3..049a109 100644
--- a/board/czechlight/clearfog/clearfog-output-voa.dtsi
+++ b/board/czechlight/clearfog/clearfog-output-voa.dtsi
@@ -1,11 +1,23 @@
 #include <dt-bindings/iio/adi,ad5592r.h>
 
 &i2c1 {
+#ifdef CLEARFOG_REV1
 	eeprom@54 {
 		compatible = "atmel,24c128";
 		reg = <0x54>;
 		pagesize = <64>;
 	};
+#else
+	// 24CSxx is treated as two separate devices
+	eeprom@52 {
+		compatible = "atmel,24c64";
+		reg = <0x52>;
+	};
+	eeprom@5a {
+		compatible = "atmel,24cs64";
+		reg = <0x5a>;
+	};
+#endif
 
 	ad5593r@11 {
 		#size-cells = <0>;