Add version to uboot image name

Signed-off-by: Avinash Tahakik <avinash.tahakik@imgtec.com>

Author: Avinash Tahakik

Makefile

@@ -1043,6 +1043,11 @@ u-boot-pistachio-nor.img: u-boot-dtb.img u-boot-spl-pistachio.bimg FORCE
 	@dd if=/dev/zero of=$@ bs=4K count=384 conv=notrunc
 	@dd if=u-boot-spl-pistachio.bimg of=$@ bs=4K count=128 conv=notrunc
 	@dd if=u-boot-dtb.img of=$@ bs=4K count=256 seek=128 conv=notrunc
+ifeq ($(UBOOTRELEASE),$(UBOOTVERSION))
+	-mv  u-boot-pistachio-nor.img u-boot-$(subst $\",,$(CONFIG_SYS_CONFIG_NAME))-$(UBOOTVERSION).img
+else
+	-mv u-boot-pistachio-nor.img u-boot-$(subst $\",,$(CONFIG_SYS_CONFIG_NAME))-$(UBOOTRELEASE).img
+endif
 
 # x86 uses a large ROM. We fill it with 0xff, put the 16-bit stuff (including
 # reset vector) at the top, Intel ME descriptor at the bottom, and U-Boot in

README.md

@@ -11,7 +11,13 @@ For the MIPS official toolchain see
 	$ make CROSS_COMPILE=<toolchain-prefix> pistachio_marduk_defconfig
 	$ make CROSS_COMPILE=<toolchain-prefix>
 
-This will generate u-boot-pistachio-nor.img
+This will generate `u-boot-pistachio_<board_name>-<version>.img`
+
+    eg. u-boot-pistachio_marduk-2015.10-v1.0.4.img
+
+OR `u-boot-pistachio_<board_name>-<version>-<githash>.img`, if there are extra commits above the tag.
+
+    e.g. u-boot-pistachio_marduk-2015.10-v1.0.4-g75cbe38.img
 
 ## Flash it onto your Ci40
 See our [docs](https://docs.creatordev.io/ci40/guides/openwrt-platform/#flashing-u-boot-binary).