adding esp32p4 support

Author: playfulFence

.cargo/config.toml

@@ -8,6 +8,7 @@ esp32c5 = "build --release --features esp32c5 --target riscv32imac-unknown-none-
 esp32c6 = "build --release --features esp32c6 --target riscv32imac-unknown-none-elf"
 esp32c61 = "build --release --features esp32c61 --target riscv32imac-unknown-none-elf"
 esp32h2 = "build --release --features esp32h2 --target riscv32imac-unknown-none-elf"
+esp32p4 = "build --release --features esp32p4 --target riscv32imafc-unknown-none-elf"
 
 [target.'cfg(target_arch = "riscv32")']
 rustflags = [

Cargo.toml

@@ -22,6 +22,7 @@ esp32c5 = []
 esp32c6 = []
 esp32c61 = []
 esp32h2 = []
+esp32p4 = []
 
 # use max CPU frequency
 max-cpu-frequency = []

build.rs

@@ -26,6 +26,8 @@ fn main() {
     let chip = "esp32c61";
     #[cfg(feature = "esp32h2")]
     let chip = "esp32h2";
+    #[cfg(feature = "esp32p4")]
+    let chip = "esp32p4";
 
     {
         fs::copy(