Fix missed license notices

These two files still had GPLv2+ license notices, now updated to GPLv3+.

ChangeLog

diff --git a/ChangeLog b/ChangeLog
index d3a3e89..b862dac 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2026-07-02  Jacob Bachmeyer  <jcb@gnu.org>
+
+	* baseboards/riscv-sim.exp, config/adb.exp: Update license notice
+	to GPLv3 after past oversights.
+
 2026-06-17  Jacob Bachmeyer  <jcb@gnu.org>
 
 	Apply patches by Joseph Myers <josmyers@redhat.com>

baseboards/riscv-sim.exp

diff --git a/baseboards/riscv-sim.exp b/baseboards/riscv-sim.exp
index 7b694cc..ed7632a 100644
--- a/baseboards/riscv-sim.exp
+++ b/baseboards/riscv-sim.exp
@@ -4,7 +4,7 @@
 #
 # DejaGnu is free software: you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 2 of the License, or
+# the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
 # DejaGnu is distributed in the hope that it will be useful, but

config/adb.exp

diff --git a/config/adb.exp b/config/adb.exp
index a3f1eec..85c2cd3 100644
--- a/config/adb.exp
+++ b/config/adb.exp
@@ -4,7 +4,7 @@
 #
 # DejaGnu is free software: you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 2 of the License, or
+# the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
 # DejaGnu is distributed in the hope that it will be useful, but