Add hwmon and gpio-fan to Phanbell defconfig

Change-Id: Ifc2da4ad2add65ae27a16c4520e23de1ca6ec36c
diff --git a/debian/defconfig b/debian/defconfig
index 17c06e2..1ba3eca 100644
--- a/debian/defconfig
+++ b/debian/defconfig
@@ -79,3 +79,6 @@
 CONFIG_USB_SERIAL=y
 CONFIG_USB_SERIAL_CP210X=y
 CONFIG_MXC_GPU_VIV=n
+
+CONFIG_HWMON=y
+CONFIG_SENSORS_GPIO_FAN=y