[MTD] Remove MODULE_DEVICE_TABLE() for ICHx flash driver

This prevents it from automatically getting loaded by hotplug because
we happen to notice you have this chipset. Let's stick with having to
load the drivers which let you overwrite your BIOS _manually_

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>