firmware.json: Add entry for ISL69269 firmware update

Change-Id: I00f668547caf7c945e66b0751cc61e77e96d1ceb
Signed-off-by: Christopher Meis <christopher.meis@9elements.com>
diff --git a/schemas/exposes_record.json b/schemas/exposes_record.json
index d039450..b818ce9 100644
--- a/schemas/exposes_record.json
+++ b/schemas/exposes_record.json
@@ -142,7 +142,7 @@
                     "$ref": "leak_detector.json#/$defs/GPIOLeakDetector"
                 },
                 {
-                    "$ref": "firmware.json#/$defs/XDPE1X2XXFirmware"
+                    "$ref": "firmware.json#/$defs/I2CVRFirmware"
                 },
                 {
                     "$ref": "firmware.json#/$defs/EEPROMDeviceFirmware"