video: driver: limit vp9 max spec to 4K@60

Added change to limit VP9 decode max spec is upto 4K@60.

Change-Id: I5939a8cf6cd227d2cced5adb3628b36493b7b1fc
Signed-off-by: Govindaraj Rajagopal <grajagop@codeaurora.org>

driver/vidc/inc/msm_vidc_internal.h

@@ -32,6 +32,7 @@
 #define DEFAULT_FPS       30
 #define MINIMUM_FPS       1
 #define MAXIMUM_FPS       960
+#define MAXIMUM_VP9_FPS   60
 #define SINGLE_INPUT_BUFFER   1
 #define SINGLE_OUTPUT_BUFFER  1
 #define MAX_NUM_INPUT_BUFFERS    VIDEO_MAX_FRAME // same as VB2_MAX_FRAME