rockchip: rk3288: move board_early_init_f() back to veyron

The board_early_init_f() is only used by veyron board now,
move it into the board file veyron.c

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/board/google/veyron/veyron.c b/board/google/veyron/veyron.c
index 19edb18..361f0e9 100644
--- a/board/google/veyron/veyron.c
+++ b/board/google/veyron/veyron.c
@@ -4,9 +4,29 @@
  */
 
 #include <common.h>
+#include <asm/arch-rockchip/clock.h>
 
 /*
  * We should increase the DDR voltage to 1.2V using the PWM regulator.
  * There is a U-Boot driver for this but it may need to add support for the
  * 'voltage-table' property.
  */
+
+int board_early_init_f(void)
+{
+	struct udevice *dev;
+	int ret;
+
+	/*
+	 * This init is done in SPL, but when chain-loading U-Boot SPL will
+	 * have been skipped. Allow the clock driver to check if it needs
+	 * setting up.
+	 */
+	ret = rockchip_get_clk(&dev);
+	if (ret) {
+		debug("CLK init failed: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}