fixup! feat(device-id): Add to riot-rs and the archs

This makes defmt optional on a crate level (curious to see whether CI
even catches the errors)

src/riot-rs-embassy-common/Cargo.toml

@@ -10,8 +10,8 @@ repository.workspace = true
 workspace = true
 
 [dependencies]
-defmt = { workspace = true }
-fugit = { workspace = true, optional = true, features = ["defmt"] }
+defmt = { workspace = true, optional = true }
+fugit = { workspace = true, optional = true }
 embassy-futures = { workspace = true }
 embassy-time = { workspace = true }
 embedded-hal = { workspace = true }
@@ -23,3 +23,5 @@ external-interrupts = []
 
 ## Enables I2C support.
 i2c = ["dep:fugit"]
+
+defmt = ["dep:defmt", "fugit?/defmt"]

src/riot-rs-embassy/Cargo.toml

@@ -114,6 +114,7 @@ defmt = [
   "embassy-net?/defmt",
   "embassy-time?/defmt",
   "embassy-usb?/defmt",
+  "riot-rs-embassy-common/defmt",
   "riot-rs-esp/defmt",
   "riot-rs-nrf/defmt",
   "riot-rs-rp/defmt",

src/riot-rs-nrf/Cargo.toml

@@ -11,7 +11,7 @@ workspace = true
 
 [dependencies]
 cfg-if = { workspace = true }
-defmt = { workspace = true }
+defmt = { workspace = true, optional = true }
 embassy-executor = { workspace = true, default-features = false, features = [
   "arch-cortex-m",
 ] }
@@ -61,8 +61,7 @@ i2c = ["riot-rs-embassy-common/i2c", "embassy-executor/integrated-timers"]
 usb = []
 
 ## Enables defmt support.
-# (at least in dependencies; the crate itself needs it for its DeviceId type)
-defmt = ["embassy-nrf/defmt"]
+defmt = ["dep:defmt", "embassy-nrf/defmt"]
 
 ## Enables the interrupt executor.
 executor-interrupt = ["embassy-executor/executor-interrupt"]