video: driver: remove config dependencies

remove all conditional compilation in video driver.
With this change, all files willbe always compiled
and will be available in final kernel object file.

Change-Id: I9843c246e23bd1ee4fb8918e5cfa840e2defd432
Signed-off-by: Govindaraj Rajagopal <quic_grajagop@quicinc.com>

driver/variant/iris3/inc/msm_vidc_iris3.h

@@ -9,7 +9,7 @@
 
 #include "msm_vidc_core.h"
 
-#if defined(CONFIG_MSM_VIDC_IRIS3)
+#if defined(CONFIG_MSM_VIDC_KALAMA)
 int msm_vidc_init_iris3(struct msm_vidc_core *core);
 int msm_vidc_deinit_iris3(struct msm_vidc_core *core);
 int msm_vidc_adjust_bitrate_boost_iris3(void *instance, struct v4l2_ctrl *ctrl);