Mismatch debug tool: increase max frame stride and height

Increase these values to allow debugging upto 1080p sequences.

aom_util/debug_util.c

diff --git a/aom_util/debug_util.c b/aom_util/debug_util.c
index 4d15add..d746fd0 100644
--- a/aom_util/debug_util.c
+++ b/aom_util/debug_util.c
@@ -100,8 +100,8 @@
 static int frame_buf_idx_r = 0;
 static int frame_buf_idx_w = 0;
 #define MAX_FRAME_BUF_NUM 6
-#define MAX_FRAME_STRIDE 1280
-#define MAX_FRAME_HEIGHT 720
+#define MAX_FRAME_STRIDE 2100
+#define MAX_FRAME_HEIGHT 1200
 static uint16_t
     frame_pre[MAX_FRAME_BUF_NUM][3]
              [MAX_FRAME_STRIDE * MAX_FRAME_HEIGHT];  // prediction only