lib/btstack: Update to latest master btstack commit.

5 years ago · fa285be9d7
1 changed files with 1 additions and 1 deletions
--- a/lib/btstack
+++ b/lib/btstack
@ -1 +1 @@
-Subproject commit a6121b51b229b883431c4a1600b0f46db31d32dc
+Subproject commit 8ffc7c281ad1e8cc66523c49209ba885aa3f919f