tests: drivers: build_all: eeprom: fix label name conflict

Renamed the label of 'ti_tmp116_eeprom@0' node because 'eeprom' label name
already exists in some boards, such as adp_xc7k/ae350, bytesensi_l,
same54_xpro.

Signed-off-by: Jimmy Zheng <jimmyzhe@andestech.com>

tests/drivers/build_all/eeprom/app.overlay

@@ -59,7 +59,7 @@
 				#address-cells = <1>;
 				#size-cells = <0>;
 
-				eeprom: ti_tmp116_eeprom@0 {
+				test_tmp116_eeprom: ti_tmp116_eeprom@0 {
 					compatible = "ti,tmp116-eeprom";
 					reg = <0x0>;
 					read-only;