The "if" interface clock speed is actually derived from the "fck"
block clock, as in the hardware they are the same clock. Drop the
incorrect second "if" clock and get the clock speed from "fck".
Signed-off-by: NMarek Vasut <marek.vasut+renesas@gmail.com>
Reviewed-by: NGeert Uytterhoeven <geert+renesas@glider.be>
Cc: linux-renesas-soc@vger.kernel.org
Signed-off-by: NJonathan Cameron <jic23@kernel.org>