lib/stm32lib: Update library to fix F7 MMC capacity calculation.

dpgeorge · dpgeorge · commit ca5f8975fa8c · 2019-04-01T17:04:43.000+11:00
diff --git a/lib/stm32lib b/lib/stm32lib
@@ -1 +1 @@
-Subproject commit d752828b3654c26ee5c4a236eb13c1ba86bd5aa7
+Subproject commit a5e93de18479879dd129cf6272cfd75e0c794bd4
