meta-phosphor: ipmi-flash: add reboot-update config

Add reboot-update PACKAGECONFIG option.

(From meta-phosphor rev: 1e8155ce4422c41fc0c0a5e4766f259729dd9072)

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: I874c7ea7d91a2fd60a129b2bbd5633a451e95657
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-flash_git.bb b/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-flash_git.bb
index d1fc565..2acccbb 100644
--- a/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-flash_git.bb
+++ b/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-flash_git.bb
@@ -18,6 +18,8 @@
 
 PACKAGECONFIG ?= "cleanup-delete"
 PACKAGECONFIG[cleanup-delete] = "--enable-cleanup-delete, --disable-cleanup-delete"
+# If using static-layout, reboot-update is a good option to handle updating.
+PACKAGECONFIG[reboot-update] = "--enable-reboot-update, --disable-reboot-update"
 
 EXTRA_OECONF = "--disable-tests --disable-build-host-tool"