clk: bcm: rpi: Statically init clk_init_data

Instead of declaring the clk_init_data and then calling memset on it, just
initialise properly.

Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-clk@vger.kernel.org
Acked-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Tested-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/0342572daa561dc1bb4c9fd10641b2016493e32b.1592210452.git-series.maxime@cerno.tech
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/bcm/clk-raspberrypi.c

@@ -175,11 +175,10 @@ static const struct clk_ops raspberrypi_firmware_pll_clk_ops = {
 
 static int raspberrypi_register_pllb(struct raspberrypi_clk *rpi)
 {
+	struct clk_init_data init = {};
 	u32 min_rate = 0, max_rate = 0;
-	struct clk_init_data init;
 	int ret;
 
-	memset(&init, 0, sizeof(init));
 
 	/* All of the PLLs derive from the external oscillator. */
 	init.parent_names = (const char *[]){ "osc" };