[PATCH] s2io: input parms, output messages update

hi,
	This patch contains the modification and bug fixes with respect to
	input parameters and outupt dmesages. following is brief description
	of the changes.

	1. Set default values for rx_ring_sz[0..7] and tx_fifo_len[0..7]
	2. verify few basic load parameters
	3. read product description from VPD
	4. clean up of dmesg  when driver is loaded

Signed-off-by: Ananda Raju <ananda.raju@neterion.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>