ARM: PXA: fix lubbock PCMCIA driver build error

Fix:

ERROR: "pxa2xx_configure_sockets" [drivers/pcmcia/pxa2xx_lubbock_cs.ko] undefined!

by exporting the required function.

Acked-by: Eric Miao <[e-mail]>
Signed-off-by: Russell King <[e-mail]>

drivers/pcmcia/pxa2xx_base.c

···
 
 	__raw_writel(mecr, MECR);
 }
+EXPORT_SYMBOL(pxa2xx_configure_sockets);
 
 static const char *skt_names[] = {
 	"PCMCIA socket 0",