sunxi: various changes
 - rename hstimer DT on sun5i to avoid confusion
 - add Cubietruck support
 - select watchdog by default
 - select rtc in profiles where appropriate
 - cosmetic changes

Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>



git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39263 3c298f89-4303-0410-b956-a3cf2f4a3e73