Merge pull request #236 from stm32-rs/bxcan-relaxed

Relax bxcan version requirement

Author: korken89

Cargo.toml

@@ -24,7 +24,7 @@ edition = "2018"
 cortex-m = "0.6.3"
 nb = "0.1.1"
 stm32l4 = "0.13.0"
-bxcan = "0.5"
+bxcan = ">=0.4, <0.6"
 
 [dependencies.rand_core]
 version = "0.6.2"