phosphor-networkd: move SRCREV to common bbclass

Change-Id: I692f8b97a23728630ac2e5595a26c6a82cca90ad
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/meta-phosphor/classes/phosphor-networkd-rev.bbclass b/meta-phosphor/classes/phosphor-networkd-rev.bbclass
new file mode 100644
index 0000000..c434468
--- /dev/null
+++ b/meta-phosphor/classes/phosphor-networkd-rev.bbclass
@@ -0,0 +1,2 @@
+SRC_URI += "git://github.com/openbmc/phosphor-networkd"
+SRCREV = "65e5abefd6b73c8f383a335291c32111ae787be0"