ip2: Add module parameter.

Stephen Rothwell found the following warning (x86_64 allmodconfig):

drivers/char/ip2/ip2main.c:511: warning: 'ip2_setup' defined but not used

This patch adds module parameter to fix the above warning.


Signed-off-by: Rakib Mullick <rakib.mullick@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>