[ARM] 5458/1: pcmcia: pxa2xx-sharpsl: check if we do have Scoop config

Check if we really have Scoop config, otherwice we can get a nice Oops
during probe.
Signed-off-by: NDmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

drivers/pcmcia/pxa2xx_sharpsl.c

@@ -255,6 +255,9 @@ static int __init sharpsl_pcmcia_init(void)
 {
 	int ret;
 
+	if (!platform_scoop_config)
+		return -ENODEV;
+
 	sharpsl_pcmcia_ops.nr = platform_scoop_config->num_devs;
 	sharpsl_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1);