[Arista]: Update port_config.ini file for Arista-7050-QX32S (#674)

Author: Shuotian Cheng

device/arista/x86_64-arista_7050_qx32s/Arista-7050-QX32S/port_config.ini

@@ -1,33 +1,33 @@
 # name          lanes             alias
-Ethernet0       9,10,11,12        Ethernet5/1
-Ethernet4       13,14,15,16       Ethernet6/1
-Ethernet8       17,18,19,20       Ethernet7/1
-Ethernet12      21,22,23,24       Ethernet8/1
-Ethernet16      29,30,31,32       Ethernet9/1
-Ethernet20      25,26,27,28       Ethernet10/1
-Ethernet24      33,34,35,36       Ethernet11/1
-Ethernet28      37,38,39,40       Ethernet12/1
-Ethernet32      45,46,47,48       Ethernet13/1
-Ethernet36      41,42,43,44       Ethernet14/1
-Ethernet40      49,50,51,52       Ethernet15/1
-Ethernet44      53,54,55,56       Ethernet16/1
-Ethernet48      69,70,71,72       Ethernet17/1
-Ethernet52      65,66,67,68       Ethernet18/1
-Ethernet56      73,74,75,76       Ethernet19/1
-Ethernet60      77,78,79,80       Ethernet20/1
-Ethernet64      93,94,95,96       Ethernet21/1
-Ethernet68      89,90,91,92       Ethernet22/1
-Ethernet72      97,98,99,100      Ethernet23/1
-Ethernet76      101,102,103,104   Ethernet24/1
-Ethernet80      109,110,111,112   Ethernet25/1
-Ethernet84      105,106,107,108   Ethernet26/1
-Ethernet88      121,122,123,124   Ethernet27/1
-Ethernet92      125,126,127,128   Ethernet28/1
-Ethernet96      61,62,63,64       Ethernet29
-Ethernet100     57,58,59,60       Ethernet30
-Ethernet104     81,82,83,84       Ethernet31
-Ethernet108     85,86,87,88       Ethernet32
-Ethernet112     117,118,119,120   Ethernet33
-Ethernet116     113,114,115,116   Ethernet34
-Ethernet120     1,2,3,4           Ethernet35
-Ethernet124     5,6,7,8           Ethernet36
+Ethernet0       9,10,11,12        Ethernet1/1
+Ethernet4       13,14,15,16       Ethernet2/1
+Ethernet8       17,18,19,20       Ethernet3/1
+Ethernet12      21,22,23,24       Ethernet4/1
+Ethernet16      29,30,31,32       Ethernet5/1
+Ethernet20      25,26,27,28       Ethernet6/1
+Ethernet24      33,34,35,36       Ethernet7/1
+Ethernet28      37,38,39,40       Ethernet8/1
+Ethernet32      45,46,47,48       Ethernet9/1
+Ethernet36      41,42,43,44       Ethernet10/1
+Ethernet40      49,50,51,52       Ethernet11/1
+Ethernet44      53,54,55,56       Ethernet12/1
+Ethernet48      69,70,71,72       Ethernet13/1
+Ethernet52      65,66,67,68       Ethernet14/1
+Ethernet56      73,74,75,76       Ethernet15/1
+Ethernet60      77,78,79,80       Ethernet16/1
+Ethernet64      93,94,95,96       Ethernet17/1
+Ethernet68      89,90,91,92       Ethernet18/1
+Ethernet72      97,98,99,100      Ethernet19/1
+Ethernet76      101,102,103,104   Ethernet20/1
+Ethernet80      109,110,111,112   Ethernet21/1
+Ethernet84      105,106,107,108   Ethernet22/1
+Ethernet88      121,122,123,124   Ethernet23/1
+Ethernet92      125,126,127,128   Ethernet24/1
+Ethernet96      61,62,63,64       Ethernet25
+Ethernet100     57,58,59,60       Ethernet26
+Ethernet104     81,82,83,84       Ethernet27
+Ethernet108     85,86,87,88       Ethernet28
+Ethernet112     117,118,119,120   Ethernet29
+Ethernet116     113,114,115,116   Ethernet30
+Ethernet120     1,2,3,4           Ethernet31
+Ethernet124     5,6,7,8           Ethernet32