Drive: Add eMMC Protocol

The eMMC protocol was recently added to the Drive Redfish schema.

Change-Id: Icd0ca38309583fe0057452d910549292cbaa8858
Signed-off-by: John Wedig <johnwedig@google.com>
diff --git a/yaml/xyz/openbmc_project/Inventory/Item/Drive.interface.yaml b/yaml/xyz/openbmc_project/Inventory/Item/Drive.interface.yaml
index 56dca8d..4f7396e 100644
--- a/yaml/xyz/openbmc_project/Inventory/Item/Drive.interface.yaml
+++ b/yaml/xyz/openbmc_project/Inventory/Item/Drive.interface.yaml
@@ -60,6 +60,9 @@
           - name: FC
             description: >
                 Fibre Channel.
+          - name: eMMC
+            description: >
+                Embedded MultiMediaCard
           - name: Unknown
             description: >
                 The Drive protocol is unknown.