sunxi: Improve allwinner architecture Kconfig summary text

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
sunxi: Compilation without Arm Architect Timer selected in .config fails

This patch fixes it.

Signed-off-by: Alexsey Shestacov <wingrime@linux-sunxi.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
sunxi: add sun7i defconfig.

This is a config with most stuff that could be used enabled as module.

Signed-off-by: Michal Suchanek <hramrach@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>