phosphor-host-ipmid: add dynamic-storages-only build option

In the 292c917 commit of phosphor-host-ipmid repo, it provides new
feature dynamic-storages-only. This commit add a PACKAGECONFIG for this
feature. This feature is disabled by default.

Change-Id: I3cabd6394e8f1946b34ce11fa1c3f61a240b6cc6
Signed-off-by: Thang Tran <thuutran@amperecomputing.com>
diff --git a/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-host_git.bb b/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-host_git.bb
index 1935b54..a127eee 100644
--- a/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-host_git.bb
+++ b/meta-phosphor/recipes-phosphor/ipmi/phosphor-ipmi-host_git.bb
@@ -34,7 +34,7 @@
 PACKAGECONFIG[libuserlayer] = "-Dlibuserlayer=enabled,-Dlibuserlayer=disabled"
 PACKAGECONFIG[sensors-cache] = "-Dsensors-cache=enabled,-Dsensors-cache=disabled"
 PACKAGECONFIG[entity-manager-decorators] = "-Dentity-manager-decorators=enabled,-Dentity-manager-decorators=disabled"
-
+PACKAGECONFIG[dynamic-storages-only] = "-Ddynamic-storages-only=enabled,-Ddynamic-storages-only=disabled"
 
 DEPENDS += "nlohmann-json"
 DEPENDS += "openssl"