Update arista driver submodule (#8)

Staphylo · qiluo-msft · commit ff1d552ae5c9 · 2019-06-17T11:02:52.000-07:00
Make the debian packaging point to a newer kernel version.
diff --git a/platform/barefoot/sonic-platform-modules-arista b/platform/barefoot/sonic-platform-modules-arista
@@ -1 +1 @@
-Subproject commit 7b7c79ee463b43e570c48915215cdbf6ec250225
+Subproject commit ad5abe1205c0bf6926d62a497a9b435aaeb174ee
diff --git a/platform/broadcom/sonic-platform-modules-arista b/platform/broadcom/sonic-platform-modules-arista
@@ -1 +1 @@
-Subproject commit 7b7c79ee463b43e570c48915215cdbf6ec250225
+Subproject commit ad5abe1205c0bf6926d62a497a9b435aaeb174ee
