BeagleBone: remove device tree for capes' EEPROMs

We are not using these capes, we want to use the board's I²C buses as we
see fit. For example, the CL-ROADMv2 already has a conflicting device at
i2c-2/0x54.

Change-Id: I3443d1e029282dbeb970558372002d10c6e5ecbb
diff --git a/board/czechlight/beaglebone/czechlight-bbb.dts b/board/czechlight/beaglebone/czechlight-bbb.dts
index be7ae10..26fa187 100644
--- a/board/czechlight/beaglebone/czechlight-bbb.dts
+++ b/board/czechlight/beaglebone/czechlight-bbb.dts
@@ -243,3 +243,8 @@
 	pinctrl-0 = <&uart5_pins>;
 	status = "okay";
 };
+
+/delete-node/ &cape_eeprom0;
+/delete-node/ &cape_eeprom1;
+/delete-node/ &cape_eeprom2;
+/delete-node/ &cape_eeprom3;