clk: ti: Move dra7 clock devices out of the legacy section

I accidentally added some dra7 clock defines to the legacy section that
we want to stop using. Let's move the defines to the right location.
Note that this is just a cosmetic fix.

Cc: linux-clk@vger.kernel.org
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Tero Kristo <kristo@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>