Add serdes polarity for 64x100G on Arista 7060PX/DX4

device/arista/x86_64-arista_7060px4_32/Arista-7060PX4-C64/th3-a7060px4-32-64x100G.config.bcm

@@ -875,3 +875,71 @@ robust_hash_disable_vlan.0=1
 sram_scan_enable.0=0
 tdma_timeout_usec.0=15000000
 tslam_timeout_usec.0=15000000
+
+# Tuning
+serdes_core_rx_polarity_flip_physical{1}=0x69
+serdes_core_rx_polarity_flip_physical{9}=0x69
+serdes_core_rx_polarity_flip_physical{17}=0xe4
+serdes_core_rx_polarity_flip_physical{25}=0x62
+serdes_core_rx_polarity_flip_physical{33}=0x33
+serdes_core_rx_polarity_flip_physical{41}=0x66
+serdes_core_rx_polarity_flip_physical{49}=0x24
+serdes_core_rx_polarity_flip_physical{57}=0x66
+serdes_core_rx_polarity_flip_physical{65}=0x33
+serdes_core_rx_polarity_flip_physical{73}=0x63
+serdes_core_rx_polarity_flip_physical{81}=0x33
+serdes_core_rx_polarity_flip_physical{89}=0x63
+serdes_core_rx_polarity_flip_physical{97}=0x1e
+serdes_core_rx_polarity_flip_physical{105}=0x63
+serdes_core_rx_polarity_flip_physical{113}=0xdb
+serdes_core_rx_polarity_flip_physical{121}=0x69
+serdes_core_rx_polarity_flip_physical{129}=0x24
+serdes_core_rx_polarity_flip_physical{137}=0x66
+serdes_core_rx_polarity_flip_physical{145}=0x33
+serdes_core_rx_polarity_flip_physical{153}=0x5a
+serdes_core_rx_polarity_flip_physical{161}=0xf
+serdes_core_rx_polarity_flip_physical{169}=0x66
+serdes_core_rx_polarity_flip_physical{177}=0x30
+serdes_core_rx_polarity_flip_physical{185}=0x66
+serdes_core_rx_polarity_flip_physical{193}=0x30
+serdes_core_rx_polarity_flip_physical{201}=0x66
+serdes_core_rx_polarity_flip_physical{209}=0x33
+serdes_core_rx_polarity_flip_physical{217}=0x66
+serdes_core_rx_polarity_flip_physical{225}=0x24
+serdes_core_rx_polarity_flip_physical{233}=0x96
+serdes_core_rx_polarity_flip_physical{241}=0xe1
+serdes_core_rx_polarity_flip_physical{249}=0xc3
+serdes_core_rx_polarity_flip_physical{257}=0x0
+serdes_core_tx_polarity_flip_physical{1}=0x7b
+serdes_core_tx_polarity_flip_physical{9}=0x4d
+serdes_core_tx_polarity_flip_physical{17}=0x69
+serdes_core_tx_polarity_flip_physical{25}=0x69
+serdes_core_tx_polarity_flip_physical{33}=0x78
+serdes_core_tx_polarity_flip_physical{41}=0xcc
+serdes_core_tx_polarity_flip_physical{49}=0xcf
+serdes_core_tx_polarity_flip_physical{57}=0xca
+serdes_core_tx_polarity_flip_physical{65}=0xc3
+serdes_core_tx_polarity_flip_physical{73}=0xca
+serdes_core_tx_polarity_flip_physical{81}=0xc3
+serdes_core_tx_polarity_flip_physical{89}=0xca
+serdes_core_tx_polarity_flip_physical{97}=0x70
+serdes_core_tx_polarity_flip_physical{105}=0x59
+serdes_core_tx_polarity_flip_physical{113}=0x12
+serdes_core_tx_polarity_flip_physical{121}=0x3c
+serdes_core_tx_polarity_flip_physical{129}=0x12
+serdes_core_tx_polarity_flip_physical{137}=0x3c
+serdes_core_tx_polarity_flip_physical{145}=0x12
+serdes_core_tx_polarity_flip_physical{153}=0x68
+serdes_core_tx_polarity_flip_physical{161}=0x6
+serdes_core_tx_polarity_flip_physical{169}=0x69
+serdes_core_tx_polarity_flip_physical{177}=0x6
+serdes_core_tx_polarity_flip_physical{185}=0x69
+serdes_core_tx_polarity_flip_physical{193}=0x6
+serdes_core_tx_polarity_flip_physical{201}=0x69
+serdes_core_tx_polarity_flip_physical{209}=0x6
+serdes_core_tx_polarity_flip_physical{217}=0x6a
+serdes_core_tx_polarity_flip_physical{225}=0x66
+serdes_core_tx_polarity_flip_physical{233}=0x36
+serdes_core_tx_polarity_flip_physical{241}=0xc6
+serdes_core_tx_polarity_flip_physical{249}=0xc3
+serdes_core_tx_polarity_flip_physical{257}=0x0