add example for file on VFAT filesystem usage
For example on a raspberry pi the u-boot environment can be
saved in a file on the first VFAT partition.
This example illustrates how to use it with fw_printenv/fw_setenv.
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
diff --git a/tools/env/fw_env.config b/tools/env/fw_env.config
index c9b9f6a..6f216f9 100644
--- a/tools/env/fw_env.config
+++ b/tools/env/fw_env.config
@@ -20,3 +20,6 @@
# Block device example
#/dev/mmcblk0 0xc0000 0x20000
+
+# VFAT example
+#/boot/uboot.env 0x0000 0x4000