From Linus Walleij <linus.walleij@linaro.org>:
"Two small commits for v3.8 that I'd like to make sure
land in ARM SoC before I begin with all the other stuff."
* 'ux500-core' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
ARM: ux500: add DB serial number to entropy pool
ARM: ux500: support the HREFP520 board variant
Signed-off-by: Arnd Bergmann <arnd@arndb.de>