V4L/DVB (6254): Add videobuf-vmalloc

Adds a newer videobuf-vmalloc module. This module uses the same
videobuf controls, but implements memory allocation based on vmalloc
methods.

With this method, an USB driver can use video-buf, without needing to
request memory from the DMA-safe area.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile
index cb30024..c8140ae 100644
--- a/drivers/media/video/Makefile
+++ b/drivers/media/video/Makefile
@@ -89,6 +89,7 @@
 
 obj-$(CONFIG_VIDEOBUF_GEN) += videobuf-core.o
 obj-$(CONFIG_VIDEOBUF_DMA_SG) += videobuf-dma-sg.o
+obj-$(CONFIG_VIDEOBUF_VMALLOC) += videobuf-vmalloc.o
 obj-$(CONFIG_VIDEO_BUF_DVB) += video-buf-dvb.o
 obj-$(CONFIG_VIDEO_BTCX)  += btcx-risc.o
 obj-$(CONFIG_VIDEO_TVEEPROM) += tveeprom.o