i.MX: Add missing descriptions in devices.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Message-id: f1f565eb9dffdeb582feb1b15ba9e8b0afcf5468.1456868959.git.jcd@tribudubois.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/arm/fsl-imx25.c

@@ -291,6 +291,7 @@ static void fsl_imx25_class_init(ObjectClass *oc, void *data)
      * arm_cpu_class_init()
      */
     dc->cannot_destroy_with_object_finalize_yet = true;
+    dc->desc = "i.MX25 SOC";
 }
 
 static const TypeInfo fsl_imx25_type_info = {

hw/arm/fsl-imx31.c

@@ -265,6 +265,7 @@ static void fsl_imx31_class_init(ObjectClass *oc, void *data)
      * arm_cpu_class_init()
      */
     dc->cannot_destroy_with_object_finalize_yet = true;
+    dc->desc = "i.MX31 SOC";
 }
 
 static const TypeInfo fsl_imx31_type_info = {

hw/i2c/imx_i2c.c

@@ -319,6 +319,7 @@ static void imx_i2c_class_init(ObjectClass *klass, void *data)
     dc->vmsd = &imx_i2c_vmstate;
     dc->reset = imx_i2c_reset;
     dc->realize = imx_i2c_realize;
+    dc->desc = "i.MX I2C Controller";
 }
 
 static const TypeInfo imx_i2c_type_info = {

hw/net/imx_fec.c

@@ -693,6 +693,7 @@ static void imx_fec_class_init(ObjectClass *klass, void *data)
     dc->reset = imx_fec_reset;
     dc->props = imx_fec_properties;
     dc->realize = imx_fec_realize;
+    dc->desc = "i.MX FEC Ethernet Controller";
 }
 
 static const TypeInfo imx_fec_info = {