siano is, in fact, 2 drivers: one for MMC and one for USB, plus a common bus-independent code. Break it accordingly.
Signed-off-by: Mauro Carvalho Chehab
obj-$(CONFIG_SMS_USB_DRV) += smsusb.o ccflags-y += -Idrivers/media/dvb-core ccflags-y += -Idrivers/media/common/siano ccflags-y += $(extra-cflags-y) $(extra-cflags-m)