finish 80FE840 data (almost)

src/battle_anim_utility_funcs.c

@@ -0,0 +1,9 @@
+#include "global.h"
+#include "battle_anim.h"
+#include "constants/rgb.h"
+
+//asm(".align 2");
+//const u16 gUnknown_08597418 = _RGB(31, 31, 31);
+
+//gUnknown_08597418:: @ 8597418
+//    .2byte 0x7fff