marabun_pcmcia: Move compile condition to the Makefile

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile
index ac4378a..b09b901 100644
--- a/drivers/pcmcia/Makefile
+++ b/drivers/pcmcia/Makefile
@@ -31,7 +31,7 @@
 COBJS-y += rpx_pcmcia.o
 COBJS-y += ti_pci1410a.o
 COBJS-y += tqm8xx_pcmcia.o
-COBJS-y += marubun_pcmcia.o
+COBJS-$(CONFIG_MARUBUN_PCCARD) += marubun_pcmcia.o
 
 COBJS	:= $(COBJS-y)
 SRCS	:= $(COBJS:.o=.c)