Add changelog entry: tls 1.2 builds with single encryption type

Signed-off-by: Przemek Stekiel <przemyslaw.stekiel@mobica.com>
diff --git a/ChangeLog.d/fix_build_tls1_2_with_single_encryption_type.txt b/ChangeLog.d/fix_build_tls1_2_with_single_encryption_type.txt
new file mode 100644
index 0000000..d24f32c
--- /dev/null
+++ b/ChangeLog.d/fix_build_tls1_2_with_single_encryption_type.txt
@@ -0,0 +1,3 @@
+Bugfix
+    * Fix bugs to enable TLS 1.2 builds with
+      single encryption type + tests