Add esp32h2 flashloader (#3)

* Add esp32h2 flashloader

* Add load_address to yaml

Author: MabezDev

.cargo/config.toml

@@ -5,4 +5,7 @@ rustflags = [
     "-C", "link-arg=-Tld/loader.x",
     "-C", "link-args=-Map=target/esp-loader.map",
     "-C", "link-args=--nmagic",
-]
+]
+
+[unstable]
+build-std = [ "core" ]

Cargo.toml

@@ -15,6 +15,7 @@ log = ["ufmt"]
 # targets
 esp32c3 = []
 esp32c6 = []
+esp32h2 = []
 
 [profile.release]
 codegen-units = 1

build.rs

@@ -12,6 +12,8 @@ fn main() {
     let chip = "esp32c3";
     #[cfg(feature = "esp32c6")]
     let chip = "esp32c6";
+    #[cfg(feature = "esp32h2")]
+    let chip = "esp32h2";
 
 
     {