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

BCS 746-000399

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

@@ -21,3 +21,10 @@ compile_mx8m() {
     cp ${BOOT_STAGING}/${ATF_MACHINE_NAME}                   ${BOOT_STAGING}/bl31.bin
     cp ${DEPLOY_DIR_IMAGE}/${UBOOT_NAME}                     ${BOOT_STAGING}/u-boot.bin
 }
+
+do_deploy_append() {
+
+    cd ${DEPLOYDIR}
+    md5sum ${BOOT_NAME} > ${BOOT_NAME}.md5
+    cd -
+}