-- bootcount support:
- CONFIG_AT91SAM9XE
- enable special bootcounter support on at91sam9xe based boards.
- CONFIG_BOOTCOUNT_EXT
- enable support for the bootcounter in EXT filesystem
- CONFIG_SYS_BOOTCOUNT_ADDR = RAM address used for read
- and write.
- CONFIG_SYS_BOOTCOUNT_EXT_INTERFACE = interface
- CONFIG_SYS_BOOTCOUNT_EXT_DEVPART = device and part
- CONFIG_SYS_BOOTCOUNT_EXT_NAME = filename
-