teachy_tv and minor update to match DizzyEgg's struct def

ld_script.txt

@@ -260,6 +260,7 @@ SECTIONS {
         src/unk_8159F40.o(.text);
         src/dodrio_berry_picking_2.o(.text);
         asm/dodrio_berry_picking_2.o(.text);
+        src/teachy_tv.o(.text);
         asm/teachy_tv.o(.text);
         asm/ereader_helpers.o(.text);
         src/unk_815C980.o(.text);