Copy DeviceType struct into ECOINFO cluster (#38700)

examples/lighting-app/silabs/data_model/lighting-thread-app.matter

diff --git a/examples/lighting-app/silabs/data_model/lighting-thread-app.matter b/examples/lighting-app/silabs/data_model/lighting-thread-app.matter
index 41b6a5a..6437686 100644
--- a/examples/lighting-app/silabs/data_model/lighting-thread-app.matter
+++ b/examples/lighting-app/silabs/data_model/lighting-thread-app.matter
@@ -626,7 +626,7 @@
     kTagList = 0x1;
   }
 
-  shared struct DeviceTypeStruct {
+  struct DeviceTypeStruct {
     devtype_id deviceType = 0;
     int16u revision = 1;
   }

examples/lighting-app/silabs/data_model/lighting-wifi-app.matter

diff --git a/examples/lighting-app/silabs/data_model/lighting-wifi-app.matter b/examples/lighting-app/silabs/data_model/lighting-wifi-app.matter
index 102b8b8..f02c075 100644
--- a/examples/lighting-app/silabs/data_model/lighting-wifi-app.matter
+++ b/examples/lighting-app/silabs/data_model/lighting-wifi-app.matter
@@ -626,7 +626,7 @@
     kTagList = 0x1;
   }
 
-  shared struct DeviceTypeStruct {
+  struct DeviceTypeStruct {
     devtype_id deviceType = 0;
     int16u revision = 1;
   }