tests: drivers: build_all: eeprom: fix build error

Rename the `eeprom` to `test_eeprom` to avoid namespace collision
with boards that have existing `eeprom` defined in the devicetree,
such as the `adp_xc7k/ae350`

Signed-off-by: Yong Cong Sin <[email protected]>
Signed-off-by: Yong Cong Sin <[email protected]>

Author: ycsin

tests/drivers/build_all/eeprom/app.overlay

@@ -59,7 +59,7 @@
 				#address-cells = <1>;
 				#size-cells = <0>;
 
-				eeprom: ti_tmp116_eeprom@0 {
+				test_eeprom: ti_tmp116_eeprom@0 {
 					compatible = "ti,tmp116-eeprom";
 					reg = <0x0>;
 					read-only;