Update version of 'avr-config'

dylanmckay · dylanmckay · commit 3e5435663305 · 2021-02-02T02:04:59.000+13:00
diff --git a/Cargo.toml b/Cargo.toml
@@ -11,7 +11,7 @@ license = "MIT/Apache-2.0"
 categories = ["embedded", "no-std", "hardware-support"]
 
 [dependencies]
-avr-config = "1.0"
+avr-config = { version = "2.0", features = ["cpu-frequency"] }
 
 [dev-dependencies]
 avr-std-stub = "1.0" # for examples
