[media] dvb-usb-v2: fix Kconfig dependency when RC_CORE=m
[media] dvb-usb-v2: fix Kconfig dependency when RC_CORE=m

It is not allowed to build driver as a build-in when RC_CORE
(remote controller support) is build as a module.
randconfig build error with next-20130719, in drivers/media/usb
drivers/built-in.o: In function `dvb_usbv2_disconnect':
(.text+0x154b39): undefined reference to `rc_unregister_device'
drivers/built-in.o: In function `dvb_usbv2_init_work':
dvb_usb_core.c:(.text+0x155b2d): undefined reference to `rc_allocate_device'
dvb_usb_core.c:(.text+0x155c38): undefined reference to `rc_register_device'
dvb_usb_core.c:(.text+0x155c5b): undefined reference to `rc_free_device'
drivers/built-in.o: In function `anysee_rc_query':
anysee.c:(.text+0x157795): undefined reference to `rc_keydown'

Reported-by: Jim Davis <2c206a2580fbbd807f33aa755406225080803cdf@gmail.com>
Signed-off-by: Antti Palosaari <293134fe763ce2d9d8609280ea107c73cbd2eb86@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <0cae1d1e981e84d16b82ca3d17be8a7f826608d3@samsung.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs