meta-facebook: add emmc-init package

Add a service and script for detecting the state of the eMMC
device and formatting it if needed.

Signed-off-by: Potin Lai <potin.lai@quantatw.com>
Change-Id: I4618d1691dedcff582772a0749c5797ad052f238
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/meta-facebook/recipes-phosphor/images/fb-phosphor-image.inc b/meta-facebook/recipes-phosphor/images/fb-phosphor-image.inc
index 0643f18..e066e54c 100644
--- a/meta-facebook/recipes-phosphor/images/fb-phosphor-image.inc
+++ b/meta-facebook/recipes-phosphor/images/fb-phosphor-image.inc
@@ -6,4 +6,6 @@
         '', d)} \
     "
 
+OBMC_IMAGE_EXTRA_INSTALL:append:mf-fb-secondary-emmc = " emmc-init"
+
 include recipes-phosphor/images/fb-${MACHINE}-phosphor-image.inc