rcar_gen3: drivers: qos: D3: Make DBSC settings local to dbsc_setting()

Move the DBSC write enabling and disabling to dbsc_setting() function,
to make it local, instead of having it all over the code.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Change-Id: If8e5657c3230b5d82b551cb89b11c4d13a2d096b
1 file changed