meta-facebook:Added timezone support.

Changed the default timezone as PST,
minimal core-region timezone files are installed.

TESTED: Tested and verified in YosemiteV2

Signed-off-by: Logananth Sundararaj <logananth.s@hcl.com>
Change-Id: Ia05987c5c68c831aab5b4ae3bd953a03f368cf89
diff --git a/meta-facebook/recipes-fb/packagegroups/packagegroup-fb-apps.bb b/meta-facebook/recipes-fb/packagegroups/packagegroup-fb-apps.bb
index d9c2abd..4b87043 100644
--- a/meta-facebook/recipes-fb/packagegroups/packagegroup-fb-apps.bb
+++ b/meta-facebook/recipes-fb/packagegroups/packagegroup-fb-apps.bb
@@ -53,6 +53,7 @@
         ipmitool \
         phosphor-post-code-manager \
         phosphor-host-postd \
+        tzdata-core \
         "
 
 SUMMARY:${PN}-system = "Facebook System"