fix initialization order on Kobos
fix initialization order on Kobos

notably, this will set up input offsets for viewport stuff after the
input rotation has been set up.

koreader/koreader,houqp/koreader,frankyifei/koreader,robert00s/koreader,NiLuJe/koreader,lgeek/koreader,chihyang/koreader,mwoz123/koreader,Markismus/koreader,Frenzie/koreader,mihailim/koreader,Frenzie/koreader,apletnev/koreader,NiLuJe/koreader,koreader/koreader,ashhher3/koreader,ashang/koreader,poire-z/koreader,NickSavage/koreader,pazos/koreader,poire-z/koreader,noname007/koreader,Hzj-jie/koreader,chrox/koreader