common: Drop linux/delay.h from common header
Move this uncommon header out of the common header.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/ram/rockchip/sdram_rk3188.c b/drivers/ram/rockchip/sdram_rk3188.c
index cc9bd02..7aedb4f 100644
--- a/drivers/ram/rockchip/sdram_rk3188.c
+++ b/drivers/ram/rockchip/sdram_rk3188.c
@@ -25,6 +25,7 @@
#include <asm/arch-rockchip/pmu_rk3188.h>
#include <asm/arch-rockchip/sdram.h>
#include <asm/arch-rockchip/sdram_rk3288.h>
+#include <linux/delay.h>
#include <linux/err.h>
struct chan_info {