start derive_mmio experiments

zynq-examples/Cargo.toml

@@ -11,5 +11,5 @@ keywords = ["no-std", "arm", "cortex-a", "amd", "zynq7000"]
 categories = ["embedded", "no-std", "hardware-support"]
 
 [dependencies]
-cortex-r-a = { path = "../../cortex-r-a/cortex-r-a" }
+cortex-ar = { path = "../../cortex-ar/cortex-ar" }
 zynq7000-rt = { path = "../zynq7000-rt" }