staging: xgifb: prefer using the BIT macro

This patch uses the  BIT macro for bit shift operation.
Signed-off-by: Hari Prasath Gujulan Elango <hgujulan@visteon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/xgifb/XGI_main_26.c

@@ -18,8 +18,8 @@
 #define Index_CR_GPIO_Reg1 0x48
 #define Index_CR_GPIO_Reg3 0x4a
 
-#define GPIOG_EN    (1<<6)
-#define GPIOG_READ  (1<<1)
+#define GPIOG_EN    BIT(6)
+#define GPIOG_READ  BIT(1)
 
 static char *forcecrt2type;
 static char *mode;