add required features for example

liamkinne · liamkinne · commit 2e8b35b84344 · 2024-09-09T22:26:16.000+10:00
diff --git a/Cargo.toml b/Cargo.toml
@@ -110,3 +110,7 @@ lto = true
 [[example]]
 name = "flash_with_rtic"
 required-features = ["stm32g474"]
+
+[[example]]
+name = "usb_serial"
+required-features = ["usb"]
