frecon: Increase the resolution threshold to 2048

The image that is scaled up is 1024x530, so it should fit with 2x scale in 2048

BUG=b:205262466
TEST=build frecon and check powerwash display

Change-Id: I1680d498921500602e02c26324b9667a7136ffd2
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/frecon/+/3302091
Tested-by: Ruihai Zhou <zhouruihai@huaqin.corp-partner.google.com>
Reviewed-by: Bob Moragues <moragues@chromium.org>
Reviewed-by: Dominik Behr <dbehr@chromium.org>
Commit-Queue: Bob Moragues <moragues@chromium.org>
diff --git a/image.h b/image.h
index 2dd7b18..7cca411 100644
--- a/image.h
+++ b/image.h
@@ -13,8 +13,8 @@
 
 #include "fb.h"
 
-#define HIRES_THRESHOLD_HR 1920
-#define HIRES_THRESHOLD_VR 1920
+#define HIRES_THRESHOLD_HR 2048
+#define HIRES_THRESHOLD_VR 2048
 #define MAX_SCALE_FACTOR 100
 
 typedef struct _image_t image_t;