utils: move BIT(n) macro to utils.h
We are duplicating this macro define, and it is useful enough
to be placed in the common place.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/drivers/arm/pl061/pl061_gpio.c b/drivers/arm/pl061/pl061_gpio.c
index fca0056..327c68e 100644
--- a/drivers/arm/pl061/pl061_gpio.c
+++ b/drivers/arm/pl061/pl061_gpio.c
@@ -39,6 +39,7 @@
#include <gpio.h>
#include <mmio.h>
#include <pl061_gpio.h>
+#include <utils.h>
#if !PLAT_PL061_MAX_GPIOS
# define PLAT_PL061_MAX_GPIOS 32
@@ -52,7 +53,6 @@
#define PL061_GPIO_DIR 0x400
#define GPIOS_PER_PL061 8
-#define BIT(nr) (1UL << (nr))
static int pl061_get_direction(int gpio);
static void pl061_set_direction(int gpio, int direction);