gfx: fixed splashscreen glitch

Signed-off-by: Mateusz Zalega <mateusz@appliedsourcery.com>

epicardium/main.c

@@ -48,7 +48,8 @@ int main(void)
 	card10_init();
 	card10_diag();
 
-	gfx_copy_raw(&display_screen, (const void *)(Heart), sizeof(Heart));
+	gfx_copy_region_raw(&display_screen, 0, 0, 160, 80,
+		     		 2, (const void *)(Heart));
 	gfx_update(&display_screen);
 
 	/* TODO: Move this to its own function */

hw-tests/dual-core/main.c

@@ -22,7 +22,8 @@ int main(void)
 	card10_init();
 	card10_diag();
 
-	gfx_copy_raw(&display_screen, (const void *)(Heart), sizeof(Heart));
+	gfx_copy_region_raw(&display_screen, 0, 0, 160, 80, 2,
+				       (const void *)(Heart));
 	gfx_update(&display_screen);
 
 	for (int i = 0; i < 11; i++) {

hw-tests/hello-world/main.c

@@ -29,7 +29,8 @@ int main(void)
     card10_init();
     card10_diag();
 
-    gfx_copy_raw(&display_screen, (const void *)(Heart), sizeof(Heart));
+    gfx_copy_region_raw(&display_screen, 0, 0, 160, 80, 2,
+		    		   (const void *)(Heart));
     gfx_update(&display_screen);
 
     for(int i=0; i<11; i++) {