drivers: video: tidss: Makefile: Add condition to compile TIDSS at SPL

To enable TIDSS driver only at SPL stage add rule to compile the TIDSS
video driver, for SPL stage only if CONFIG_SPL_VIDEO_TIDSS is defined.

Signed-off-by: Nikhil M Jain <n-jain1@ti.com>
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 4e2d34e..c92d151 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -72,4 +72,5 @@
 ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_$(SPL_)VIDEO) += video-uclass.o vidconsole-uclass.o
 obj-$(CONFIG_$(SPL_)VIDEO) += video_bmp.o
+obj-${CONFIG_$(SPL_)VIDEO_TIDSS} += tidss/
 endif
diff --git a/drivers/video/tidss/Makefile b/drivers/video/tidss/Makefile
index f4f8c6c..acfd5d0 100644
--- a/drivers/video/tidss/Makefile
+++ b/drivers/video/tidss/Makefile
@@ -10,3 +10,4 @@
 
 
 obj-${CONFIG_VIDEO_TIDSS} = tidss_drv.o
+obj-${CONFIG_$(SPL_)VIDEO_TIDSS} = tidss_drv.o