imx-boot: Add generation of md5sum for the imx-boot image and the link

BCS 746-000399

dynamic-layers/freescale-layer/recipes-bsp/imx-mkimage/imx-boot_%.bbappend

@@ -25,6 +25,6 @@ compile_mx8m() {
 do_deploy_append() {
 
     cd ${DEPLOYDIR}
-    md5sum ${BOOT_NAME} > ${BOOT_NAME}.md5
+    md5sum ${BOOT_CONFIG_MACHINE}-${IMAGE_IMXBOOT_TARGET} ${BOOT_NAME} > ${BOOT_NAME}.md5
     cd -
 }