add license to IP file

hdl/rtl/EF_UART.v

@@ -1,17 +1,20 @@
 /*
-	Copyright 2020 Efabless Corp.
-
-	Author: Mohamed Shalan ([email protected])
-	
-	Licensed under the Apache License, Version 2.0 (the "License"); 
-	you may not use this file except in compliance with the License. 
-	You may obtain a copy of the License at:
-	http://www.apache.org/licenses/LICENSE-2.0
-	Unless required by applicable law or agreed to in writing, software 
-	distributed under the License is distributed on an "AS IS" BASIS, 
-	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
-	See the License for the specific language governing permissions and 
+	Copyright 2024 Efabless Corp.
+
+	Author: Efabless Corp. ([email protected])
+
+	Licensed under the Apache License, Version 2.0 (the "License");
+	you may not use this file except in compliance with the License.
+	You may obtain a copy of the License at
+
+	    http://www.apache.org/licenses/LICENSE-2.0
+
+	Unless required by applicable law or agreed to in writing, software
+	distributed under the License is distributed on an "AS IS" BASIS,
+	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+	See the License for the specific language governing permissions and
 	limitations under the License.
+
 */
 
 /*