[Inventec] Add D7264 platform support (#1675)

* Add Inventec D7264 platform support

* Fixed util script file permission

* Fixed more scripts file permission

device/inventec/x86_64-inventec_d7264q28b-r0/INVENTEC-D7264Q28B/port_config.ini

@@ -0,0 +1,65 @@
+# name          lanes             alias
+Ethernet0       9,10,11,12        Ethernet0
+Ethernet4       1,2,3,4           Ethernet4
+Ethernet8       25,26,27,28       Ethernet8
+Ethernet12      17,18,19,20       Ethernet12
+Ethernet16      41,42,43,44       Ethernet16
+Ethernet20      33,34,35,36       Ethernet20
+Ethernet24      57,58,59,60       Ethernet24
+Ethernet28      49,50,51,52       Ethernet28
+Ethernet32      73,74,75,76       Ethernet32
+Ethernet36      65,66,67,68       Ethernet36
+Ethernet40      89,90,91,92       Ethernet40
+Ethernet44      81,82,83,84       Ethernet44
+Ethernet48      105,106,107,108   Ethernet48
+Ethernet52      97,98,99,100      Ethernet52
+Ethernet56      121,122,123,124   Ethernet56
+Ethernet60      113,114,115,116   Ethernet60
+Ethernet64      137,138,139,140   Ethernet64
+Ethernet68      129,130,131,132   Ethernet68
+Ethernet72      153,154,155,156   Ethernet72
+Ethernet76      145,146,147,148   Ethernet76
+Ethernet80      169,170,171,172   Ethernet80
+Ethernet84      161,162,163,164   Ethernet84
+Ethernet88      185,186,187,188   Ethernet88
+Ethernet92      177,178,179,180   Ethernet92
+Ethernet96      201,202,203,204   Ethernet96
+Ethernet100     193,194,195,196   Ethernet100
+Ethernet104     217,218,219,220   Ethernet104
+Ethernet108     209,210,211,212   Ethernet108
+Ethernet112     233,234,235,236   Ethernet112
+Ethernet116     225,226,227,228   Ethernet116
+Ethernet120     249,250,251,252   Ethernet120
+Ethernet124     241,242,243,244   Ethernet124
+Ethernet128     13,14,15,16       Ethernet128
+Ethernet132     5,6,7,8           Ethernet132
+Ethernet136     29,30,31,32       Ethernet136
+Ethernet140     21,22,23,24       Ethernet140
+Ethernet144     45,46,47,48       Ethernet144
+Ethernet148     37,38,39,40       Ethernet148
+Ethernet152     61,62,63,64       Ethernet152
+Ethernet156     53,54,55,56       Ethernet156
+Ethernet160     77,78,79,80       Ethernet160
+Ethernet164     69,70,71,72       Ethernet164
+Ethernet168     93,94,95,96       Ethernet168
+Ethernet172     85,86,87,88       Ethernet172
+Ethernet176     109,110,111,112   Ethernet176
+Ethernet180     101,102,103,104   Ethernet180
+Ethernet184     125,126,127,128   Ethernet184
+Ethernet188     117,118,119,120   Ethernet188
+Ethernet192     141,142,143,144   Ethernet192
+Ethernet196     133,134,135,136   Ethernet196
+Ethernet200     157,158,159,160   Ethernet200
+Ethernet204     149,150,151,152   Ethernet204
+Ethernet208     173,174,175,176   Ethernet208
+Ethernet212     165,166,167,168   Ethernet212
+Ethernet216     189,190,191,192   Ethernet216
+Ethernet220     181,182,183,184   Ethernet220
+Ethernet224     205,206,207,208   Ethernet224
+Ethernet228     197,198,199,200   Ethernet228
+Ethernet232     221,222,223,224   Ethernet232
+Ethernet236     213,214,215,216   Ethernet236
+Ethernet240     237,238,239,240   Ethernet240
+Ethernet244     229,230,231,232   Ethernet244
+Ethernet248     253,254,255,256   Ethernet248
+Ethernet252     245,246,247,248   Ethernet252

device/inventec/x86_64-inventec_d7264q28b-r0/INVENTEC-D7264Q28B/sai.profile

@@ -0,0 +1,2 @@
+SAI_INIT_CONFIG_FILE=/usr/share/sonic/hwsku/th2-d7264q28b-64x100g.config.bcm
+SAI_NUM_ECMP_MEMBERS=32