Update submodule matrix to latest Thu Aug 5 00:39:10 UTC 2021

PX4BuildBot · dagar · commit 6060ec8c9ab9 · 2021-08-04T21:59:01.000-04:00
- matrix in PX4/Firmware (6be58a88905d2ef63bc3aaa1a01c82346c181742): PX4/PX4-Matrix@b8568a8 - matrix current upstream: PX4/PX4-Matrix@3d1c9b9 - Changes: PX4/PX4-Matrix@b8568a8...3d1c9b9 3d1c9b9 2021-08-05 romain-chiap - quaternion exponential (PX4#164)
diff --git a/src/lib/matrix b/src/lib/matrix
@@ -1 +1 @@
-Subproject commit b8568a89db8455d0ab2e2e391e2149ba2e5e10dd
+Subproject commit 3d1c9b988dff1d95f36cdd1df3e84d7a2365501c
