add cli for --accounts-hash-num-passes (#20827)

clap-utils/src/input_validators.rs

@@ -237,16 +237,16 @@ where
     is_parsable_generic::<Slot, _>(slot)
 }
 
-pub fn is_bin<T>(bins: T) -> Result<(), String>
+pub fn is_pow2<T>(bins: T) -> Result<(), String>
 where
     T: AsRef<str> + Display,
 {
     bins.as_ref()
         .parse::<usize>()
-        .map_err(|e| format!("Unable to parse bins, provided: {}, err: {}", bins, e))
+        .map_err(|e| format!("Unable to parse, provided: {}, err: {}", bins, e))
         .and_then(|v| {
             if !v.is_power_of_two() {
-                Err(format!("Bins must be a power of 2: {}", v))
+                Err(format!("Must be a power of 2: {}", v))
             } else {
                 Ok(())
             }