iquik: successful boot on OF 1.0.5.

Had to sync I+D caches together. I suppose this
is a regression (first.S did this when it existed),
but I guess newer OF did this after 'init-program'.

Works on the UMAX StormSurge.

Signed-off-by: Andrei E. Warkentin <andrey.warkentin@gmail.com>