cmd/compile: rotate phase's title 180 degrees in ssa/html.go
cmd/compile: rotate phase's title 180 degrees in ssa/html.go

Modify phase's title according to html.go:122 TODO.

Fixes #41098

Change-Id: I58fa365e718600aaaa0a72cce72d35a484cde8b8
Reviewed-on: https://go-review.googlesource.com/c/go/+/251657
Reviewed-by: Bradford Lamson-Scribner <7ec6b9d4fc8007ada4f6f1c5b75c3ee53f4e5ca3@gmail.com>
Reviewed-by: Keith Randall <8c99c3a9284e493be632950b84cd789d08ed3e9d@golang.org>
Trust: Josh Bleecher Snyder <cdc248cc4d32e4fbfe04e45228163bcecd48a0b9@gmail.com>

nawawi/go,CAFxX/go,cloudflare/go,golang/go,golang/go,golang/go,cloudflare/go,nawawi/go,nawawi/go,CAFxX/go,cloudflare/go,cloudflare/go,nawawi/go,nawawi/go,golang/go,cloudflare/go,nawawi/go,CAFxX/go,cloudflare/go,CAFxX/go,golang/go,cloudflare/go,golang/go,CAFxX/go,CAFxX/go,golang/go,CAFxX/go,CAFxX/go,nawawi/go,cloudflare/go,golang/go,nawawi/go