rcar_gen3: drivers: pfc: V3M: Fix camel case

Replace function name with non-camel-case one. No functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Change-Id: Ie93e7fccdc81a3ffa5c371d49846fcf6c840f145
1 file changed