Allow hotplugging of USB cards, instead of just exiting when something goes away.

[nageru] / bmusb

diff --git a/bmusb b/bmusb
index 76a878cbab84d8c3c2859b28a2363085d6a2fcb1..ec5eaa5e319e91f89db15dcbccdf64a056f710ae 160000 (submodule)
--- a/bmusb
+++ b/bmusb
@@ -1 +1 @@
-Subproject commit 76a878cbab84d8c3c2859b28a2363085d6a2fcb1
+Subproject commit ec5eaa5e319e91f89db15dcbccdf64a056f710ae