staging: wilc1000: fix incorrent type in initializer

Fix sparse warning:

drivers/staging/wilc1000//host_interface.c:444:49: warning: incorrect type in initializer (different address spaces)
drivers/staging/wilc1000//host_interface.c:444:49:    expected struct cfg80211_bss_ies const *ies
drivers/staging/wilc1000//host_interface.c:444:49:    got struct cfg80211_bss_ies const [noderef] <asn:4> *ies

Signed-off-by: Bo YU <tsu.yubo@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>