imx-boot: Pack imx-boot, u-boot-env and other files to installation tar

As the number of files needed to install imx-boot/u-boot grows, all
files are packaged into a tar to be extracted during installation.

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

@@ -32,9 +32,37 @@ compile_mx8m() {
     cp ${DEPLOY_DIR_IMAGE}/${UBOOT_NAME}                     ${BOOT_STAGING}/u-boot.bin
 }
 
-do_deploy_append() {
+do_compile_append() {
+
+    # Integrate fw_env.conf and u-boot-initial-env
+    cp "${DEPLOY_DIR_IMAGE}/u-boot-initial-env-${MACHINE}-${UBOOT_CONFIG}.bin" "${S}"
+    cp "${DEPLOY_DIR_IMAGE}/fw_env-${MACHINE}-${UBOOT_CONFIG}.conf" "${S}"
+    
+    cd ${S}
 
-    cd ${DEPLOYDIR}
-    md5sum ${BOOT_CONFIG_MACHINE}-${IMAGE_IMXBOOT_TARGET} ${BOOT_NAME} > ${BOOT_NAME}.md5
+    for target in ${IMXBOOT_TARGETS}; do
+        # Store an md5sum to check the files on target before installation
+        md5sum ${BOOT_CONFIG_MACHINE}-${target} \
+               u-boot-initial-env-${MACHINE}-${UBOOT_CONFIG}.bin \
+               fw_env-${MACHINE}-${UBOOT_CONFIG}.conf \
+               > ${BOOT_CONFIG_MACHINE}-${target}.md5
+    done
     cd -
 }
+
+do_deploy_append() {
+    for target in ${IMXBOOT_TARGETS}; do
+        # Create a tar from the bootfiles, compressed gz, dereference links (copy the file not the link into the tar)
+        cd ${S}
+        tar chzf ${DEPLOYDIR}/${BOOT_CONFIG_MACHINE}-${target}.tar.gz \
+                 ${BOOT_CONFIG_MACHINE}-${target} \
+                 ${BOOT_CONFIG_MACHINE}-${target}.md5 \
+                 u-boot-initial-env-${MACHINE}-${UBOOT_CONFIG}.bin \
+                 fw_env-${MACHINE}-${UBOOT_CONFIG}.conf
+
+        cd -
+        cd ${DEPLOYDIR}
+        ln -sf ${BOOT_CONFIG_MACHINE}-${target}.tar.gz ${BOOT_NAME}.tar.gz
+        cd -
+    done
+}