cx25821: Add driver to the building system

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 10d3fcf..82b3489 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -47,6 +47,8 @@
 
 source "drivers/staging/go7007/Kconfig"
 
+source "drivers/staging/cx25821/Kconfig"
+
 source "drivers/staging/usbip/Kconfig"
 
 source "drivers/staging/winbond/Kconfig"
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index c30093b..b1cad0d 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -6,6 +6,7 @@
 obj-$(CONFIG_ET131X)		+= et131x/
 obj-$(CONFIG_SLICOSS)		+= slicoss/
 obj-$(CONFIG_VIDEO_GO7007)	+= go7007/
+obj-$(CONFIG_VIDEO_CX25821)	+= cx25821/
 obj-$(CONFIG_USB_IP_COMMON)	+= usbip/
 obj-$(CONFIG_W35UND)		+= winbond/
 obj-$(CONFIG_PRISM2_USB)	+= wlan-ng/
diff --git a/drivers/staging/cx25821/Makefile b/drivers/staging/cx25821/Makefile
index 020d844..14b3af1 100644
--- a/drivers/staging/cx25821/Makefile
+++ b/drivers/staging/cx25821/Makefile
@@ -9,6 +9,7 @@
 obj-$(CONFIG_VIDEO_CX25821_ALSA) += cx25821-alsa.o
 
 EXTRA_CFLAGS += -Idrivers/media/video
+EXTRA_CFLAGS += -Idrivers/media/common/tuners
 EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core
 EXTRA_CFLAGS += -Idrivers/media/dvb/frontends