ARM: hisi: revert changes from hisi/hip04-dt branch

This backs out all changes that were added in the hip04-dt
branch after various boot problems were discovered in UEFI booting.

Reported-by: Tyler Baker <tyler.baker@linaro.org>
Cc: Wei Xu <xuwei5@hisilicon.com>
[khilman: minor changelog updates]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kevin Hilman <khilman@linaro.org>