staging: olpc_dcon: Replace a bit shift by a use of BIT.

This patch replaces bit shifting on 1 with the BIT(x) macro
as it's extensively used by other function in the file olpc_dcon.h .
Signed-off-by: Anchal Jain <anchalj109@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/olpc_dcon/olpc_dcon.h

@@ -9,18 +9,18 @@
 #define DCON_REG_ID		 0
 #define DCON_REG_MODE		 1
 
-#define MODE_PASSTHRU	(1<<0)
-#define MODE_SLEEP	(1<<1)
-#define MODE_SLEEP_AUTO	(1<<2)
-#define MODE_BL_ENABLE	(1<<3)
-#define MODE_BLANK	(1<<4)
-#define MODE_CSWIZZLE	(1<<5)
-#define MODE_COL_AA	(1<<6)
-#define MODE_MONO_LUMA	(1<<7)
-#define MODE_SCAN_INT	(1<<8)
-#define MODE_CLOCKDIV	(1<<9)
-#define MODE_DEBUG	(1<<14)
-#define MODE_SELFTEST	(1<<15)
+#define MODE_PASSTHRU	bit(0)
+#define MODE_SLEEP	bit(1)
+#define MODE_SLEEP_AUTO	bit(2)
+#define MODE_BL_ENABLE	bit(3)
+#define MODE_BLANK	bit(4)
+#define MODE_CSWIZZLE	bit(5)
+#define MODE_COL_AA	bit(6)
+#define MODE_MONO_LUMA	bit(7)
+#define MODE_SCAN_INT	bit(8)
+#define MODE_CLOCKDIV	bit(9)
+#define MODE_DEBUG	bit(14)
+#define MODE_SELFTEST	bit(15)
 
 #define DCON_REG_HRES		0x2
 #define DCON_REG_HTOTAL		0x3
@@ -35,11 +35,11 @@
 #define DCON_REG_MEM_OPT_B	0x42
 
 /* Load Delay Locked Loop (DLL) settings for clock delay */
-#define MEM_DLL_CLOCK_DELAY	(1<<0)
+#define MEM_DLL_CLOCK_DELAY	bit(0)
 /* Memory controller power down function */
-#define MEM_POWER_DOWN		(1<<8)
+#define MEM_POWER_DOWN		bit(8)
 /* Memory controller software reset */
-#define MEM_SOFT_RESET		(1<<0)
+#define MEM_SOFT_RESET		bit(0)
 
 /* Status values */