schemas: add Renesas RAA22X Gen3.5 I2C VR device

Add "RAA22XGen3p5Firmware" to I2C VR device types enum

This relates to:
https://gerrit.openbmc.org/c/openbmc/phosphor-bmc-code-mgmt/+/83320

Change-Id: Ieaeb1330cf0e32ec74215a85d6635a63e9f91ec5
Signed-off-by: Leo Yang <Leo-Yang@quantatw.com>
diff --git a/schemas/firmware.json b/schemas/firmware.json
index a142499..d4a5f98 100644
--- a/schemas/firmware.json
+++ b/schemas/firmware.json
@@ -34,7 +34,8 @@
                         "MP2X6XXFirmware",
                         "MP297XFirmware",
                         "MP5998Firmware",
-                        "RAA22XGen2Firmware"
+                        "RAA22XGen2Firmware",
+                        "RAA22XGen3p5Firmware"
                     ]
                 },
                 "Bus": {