dc/hbj11: init with flasher

This brings in the flashing infrastructure for HBJ11 (bluepill&web).

Change-Id: I480855689f849c24712d58a0ccbce6e91c34f8bd
diff --git a/dc/hbj11/flasher/bluepill/flash.gdb b/dc/hbj11/flasher/bluepill/flash.gdb
new file mode 100644
index 0000000..e447bfc
--- /dev/null
+++ b/dc/hbj11/flasher/bluepill/flash.gdb
@@ -0,0 +1,7 @@
+# Flash script for BlackMagicProbe
+target extended-remote /dev/ttyACM0
+monitor swdp_scan
+attach 1
+load
+# Attach to the running process. C-c and C-d to detach.
+run