This patch had fixed build error about NEC VR4100 series.

 * add #include <linux/kernel.h> for printk()

This patch had already applied to Ralf's cvs tree.
Signed-off-by: Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>