Just made this for my hack, might as well post it. This patch makes Torizos check their speed1 variable as if it was the area bit. Basically meaning, if you want them to be Bomb Torizo, set the torizo's speed1 value to 0000 in the enemy editor.
If you want them to be Gold Torizo, set the torizo's speed1 value to 0002 in the enemy editor.

This allows you to use Bomb Torizo or Gold Torizo in any area easily.

No BTS required :P

Uses free space in bank $AA, and uses extra enemy RAM ($7E7804,x). Also includes some hex tweaks that you might want to look at that are DISABLED by default but are very helpful.

Update 2-11-2020: If this code wasn't assembling for you because of line 51, it should now.
Edit 2-12-22: Renamed this patch for clarity. Made no other changes.
Update Oct 13 2024: Fixed comments to specify that 0002 is needed for GT; the old comments were misleading. Thanks to neen for assistance.