Merge branch 'master' into tgamblin/gpio_driver_binding

Author: threexc

labgrid/driver/fastbootdriver.py

@@ -109,6 +109,11 @@ def flash_all(self):
         for partition in self.flash_images.keys():
             self.flash(partition)
 
+    @Driver.check_active
+    @step(args=['partition'])
+    def erase(self, partition):
+        self('erase', partition)
+
     @Driver.check_active
     @step(args=['cmd'])
     def run(self, cmd):