aya: maps: rename from_pinned() to open_pinned()

aya/src/bpf.rs

@@ -355,7 +355,7 @@ impl<'a> BpfLoader<'a> {
                         None => return Err(BpfError::NoPinPath),
                     };
                     // try to open map in case it's already pinned
-                    match map.from_pinned(&name, path) {
+                    match map.open_pinned(&name, path) {
                         Ok(fd) => {
                             map.pinned = true;
                             fd as RawFd

aya/src/maps/mod.rs

@@ -168,7 +168,7 @@ impl Map {
         Ok(fd)
     }
 
-    pub(crate) fn from_pinned<P: AsRef<Path>>(
+    pub(crate) fn open_pinned<P: AsRef<Path>>(
         &mut self,
         name: &str,
         path: P,