ice: remove redundant continue statement in a for-loop

The continue statement in the for-loop is redundant. Re-work the hw_lock
check to remove it.

Addresses-Coverity: ("Continue has no effect")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

drivers/net/ethernet/intel/ice/ice_ptp_hw.c

@@ -410,13 +410,11 @@ bool ice_ptp_lock(struct ice_hw *hw)
 	for (i = 0; i < MAX_TRIES; i++) {
 		hw_lock = rd32(hw, PFTSYN_SEM + (PFTSYN_SEM_BYTES * hw->pf_id));
 		hw_lock = hw_lock & PFTSYN_SEM_BUSY_M;
-		if (hw_lock) {
-			/* Somebody is holding the lock */
-			usleep_range(10000, 20000);
-			continue;
-		} else {
+		if (!hw_lock)
 			break;
-		}
+
+		/* Somebody is holding the lock */
+		usleep_range(10000, 20000);
 	}
 
 	return !hw_lock;