rcar_gen3: drivers: pfc: D3: Switch to BIT() macro

Utilise existing BIT() macro. No functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Change-Id: I1ff9fe8fb2f1644e4ee3b877ed5979cdf99d3d85
1 file changed