staging: wilc1000: Fix endian sparse warning

[ Upstream commit 94500d5667386119c27725fe314f6882f68580a9 ]

drivers/staging/wilc1000/linux_wlan.c:995:18: warning: restricted __be16 degrades to integer

Signed-off-by: Mike Kofron <mpkofron@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>