package/azure-iot-sdk-c: also install libparson

The package builds libparson, but does not install it, let's fix this.

Signed-off-by: Stephan Hoffmann <stephan.hoffmann@ext.grandcentrix.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 94120fd7c71881e7b3963d5db27802241d9eeed2)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/azure-iot-sdk-c/azure-iot-sdk-c.mk

@@ -28,7 +28,8 @@ AZURE_IOT_SDK_C_LIBS += \
 	iothub_client/libiothub_client_mqtt_transport.a \
 	iothub_service_client/libiothub_service_client.a \
 	serializer/libserializer.a \
-	umqtt/libumqtt.a
+	umqtt/libumqtt.a \
+	libparson.a
 else
 AZURE_IOT_SDK_C_LIBS += \
 	uamqp/libuamqp.so \
@@ -41,7 +42,8 @@ AZURE_IOT_SDK_C_LIBS += \
 	iothub_client/libiothub_client_mqtt_transport.so \
 	iothub_service_client/libiothub_service_client.so \
 	serializer/libserializer.so \
-	umqtt/libumqtt.so.1.1.11
+	umqtt/libumqtt.so.1.1.11 \
+	libparson.so
 
 define AZURE_IOT_SDK_C_CREATE_SYMLINKS
 	ln -sf libumqtt.so.1.1.11 $(1)/usr/lib/libumqtt.so.1