x86: ce4100: Set pci ops via callback instead of module init

Setting the pci ops on subsys initcall unconditionally will break
multi platform kernels on anything except ce4100.

Use x86_init.pci.init ops to call this only on real ce4100 platforms.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: sodaville@linutronix.de
LKML-Reference: <20110314093340.GA21026@www.tglx.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>