[DPB]Fixing typo in config breakout output (sonic-net#2802)

#### What I did
Fixed typo in config breakout output. Fixed dependecies to dependencies

#### How I did it
Fixed typo

#### How to verify it
Modified UT to align

Author: dgsudharsan

config/main.py

@@ -224,8 +224,8 @@ def breakout_Ports(cm, delPorts=list(), portJson=dict(), force=False, \
     # check if DPB failed
     if ret == False:
         if not force and deps:
-            click.echo("Dependecies Exist. No further action will be taken")
-            click.echo("*** Printing dependecies ***")
+            click.echo("Dependencies Exist. No further action will be taken")
+            click.echo("*** Printing dependencies ***")
             for dep in deps:
                 click.echo(dep)
             sys.exit(0)

tests/config_dpb_test.py

@@ -397,7 +397,7 @@ def test_config_breakout_verbose(self, sonic_db):
 
         print(result.exit_code, result.output)
         assert result.exit_code == 0
-        assert 'Dependecies Exist.' in result.output
+        assert 'Dependencies Exist.' in result.output
 
         # verbose must be set while creating instance of ConfigMgmt class
         calls = [mock.call(True)]
@@ -539,8 +539,8 @@ def config_dpb_port8_2x50G_1x100G():
 
             print(result.exit_code, result.output)
             assert result.exit_code == 0
-            assert 'Dependecies Exist.' in result.output
-            assert 'Printing dependecies' in result.output
+            assert 'Dependencies Exist.' in result.output
+            assert 'Printing dependencies' in result.output
             assert 'NO-NSW-PACL-V4' in result.output
 
             brk_cfg_table = db.cfgdb.get_table('BREAKOUT_CFG')