main: version 0.7.1

This release contains a small fix for some atsamd21-based boards to make
them usable on macOS: it now allows to specify the serial port using the
-port flag.

CHANGELOG.md

@@ -1,3 +1,8 @@
+0.7.1
+---
+* **targets**
+  - `atsamd21`: add support for the `-port` flag in the flash subcommand
+
 0.7.0
 ---
 * **command line**

version.go

@@ -2,4 +2,4 @@ package main
 
 // version of this package.
 // Update this value before release of new version of software.
-const version = "0.7.0"
+const version = "0.7.1"