rcar_gen3: drivers: pfc: V3M: Drop forward declarations

There's no point in having forward declaration just before the function
itself, drop it. No functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Change-Id: I302cff2014bb6e513b6fb48fcf6df7ade684039e
1 file changed