Fix change detection of linker script on build files

In 7b59c9e
linker scripts have been moved in the ld/ sub-folder for every target.
The change detection path in build.rs of every target hasn't been updated, resulting in
the build script running at every code change, rather than only when there's a change in memory.x

esp32-hal/build.rs

@@ -33,7 +33,7 @@ fn main() {
 
     // Only re-run the build script when memory.x is changed,
     // instead of when any part of the source code changes.
-    println!("cargo:rerun-if-changed=memory.x");
+    println!("cargo:rerun-if-changed=ld/memory.x");
 }
 
 fn generate_memory_extras() -> Vec<u8> {

esp32c3-hal/build.rs

@@ -29,7 +29,7 @@ fn main() {
 
     // Only re-run the build script when memory.x is changed,
     // instead of when any part of the source code changes.
-    println!("cargo:rerun-if-changed=memory.x");
+    println!("cargo:rerun-if-changed=ld/memory.x");
 
     add_defaults();
 }
@@ -57,7 +57,7 @@ fn main() {
 
     // Only re-run the build script when memory.x is changed,
     // instead of when any part of the source code changes.
-    println!("cargo:rerun-if-changed=memory.x");
+    println!("cargo:rerun-if-changed=ld/memory.x");
 
     add_defaults();
 }

esp32s2-hal/build.rs

@@ -27,5 +27,5 @@ fn main() {
 
     // Only re-run the build script when memory.x is changed,
     // instead of when any part of the source code changes.
-    println!("cargo:rerun-if-changed=memory.x");
+    println!("cargo:rerun-if-changed=ld/memory.x");
 }

esp32s3-hal/build.rs

@@ -33,7 +33,7 @@ fn main() {
 
     // Only re-run the build script when memory.x is changed,
     // instead of when any part of the source code changes.
-    println!("cargo:rerun-if-changed=memory.x");
+    println!("cargo:rerun-if-changed=ld/memory.x");
 }
 
 #[cfg(feature = "direct-boot")]
@@ -69,5 +69,5 @@ fn main() {
 
     // Only re-run the build script when memory.x is changed,
     // instead of when any part of the source code changes.
-    println!("cargo:rerun-if-changed=memory.x");
+    println!("cargo:rerun-if-changed=ld/memory.x");
 }