Added Ambiq Apollo 1,2,3p PAC

Author: trembel

README.md

@@ -198,7 +198,10 @@ The [`stm32-rs`](https://github.com/stm32-rs/stm32-rs) project has peripheral ac
 
 ### Ambiq Micro
 
-- [`ambiq-apollo3-pac`](https://crates.io/crates/ambiq-apollo3-pac) Peripheral access API for Ambiq Apollo3 microcontrollers (generated using svd2rust)
+- [`ambiq-apollo1-pac`](https://crates.io/crates/ambiq-apollo1-pac) Peripheral access API for Ambiq Apollo 1 microcontrollers (generated using svd2rust)
+- [`ambiq-apollo2-pac`](https://crates.io/crates/ambiq-apollo2-pac) Peripheral access API for Ambiq Apollo 2 microcontrollers (generated using svd2rust)
+- [`ambiq-apollo3-pac`](https://crates.io/crates/ambiq-apollo3-pac) Peripheral access API for Ambiq Apollo 3 microcontrollers (generated using svd2rust)
+- [`ambiq-apollo3p-pac`](https://crates.io/crates/ambiq-apollo3p-pac) Peripheral access API for Ambiq Apollo 3 Plus microcontrollers (generated using svd2rust)
 
 ### GigaDevice