meta-ieisystem: Add dbus-sensor

Since all IEI machines depend on dbus-sensors instead of
phosphor-hwmon by default, phosphor-hwmon is disabled and
dbus-sensors is enabled by default.

Signed-off-by: George Liu <liuxiwei@ieisystem.com>
Change-Id: Ib1d7624327790419d30c27c7b965995bbd11bd79
diff --git a/meta-ieisystem/meta-nf5280m7/conf/machine/nf5280m7.conf b/meta-ieisystem/meta-nf5280m7/conf/machine/nf5280m7.conf
index 5a47f0e..ea06862 100644
--- a/meta-ieisystem/meta-nf5280m7/conf/machine/nf5280m7.conf
+++ b/meta-ieisystem/meta-nf5280m7/conf/machine/nf5280m7.conf
@@ -15,3 +15,5 @@
 FLASH_SIZE = "65536"
 
 SOCSEC_SIGN_ENABLE = "0"
+
+require conf/machine/include/ieisystem.inc