meta-google: Add /var/log/state to whitelist

Allow the state file for rsyslog as configured by the default
rsyslog.conf. This prevent us from reading the the whole logs again (if
the logs persists across reboots).

Reference:
- https://gerrit.openbmc.org/c/openbmc/openbmc/+/64418

Change-Id: Ia3650627a26e2dbdcc62f1c464e389e4e668e3a8
Signed-off-by: Willy Tu <wltu@google.com>
diff --git a/meta-google/recipes-phosphor/initrdscripts/obmc-phosphor-initfs/whitelist b/meta-google/recipes-phosphor/initrdscripts/obmc-phosphor-initfs/whitelist
index f914950..cc4906c 100644
--- a/meta-google/recipes-phosphor/initrdscripts/obmc-phosphor-initfs/whitelist
+++ b/meta-google/recipes-phosphor/initrdscripts/obmc-phosphor-initfs/whitelist
@@ -5,3 +5,4 @@
 /var/google
 /var/lib/phosphor-inventory-manager
 /var/lib/smbios/smbios2
+/var/log/state