video: use BMP_ALIGN_CENTER define from splash.h

Drop BMP_ALIGN_CENTER define in lcd.c and video_bmp.c as it is
already defined by splash.h. Include splash.h in bmp code.
Signed-off-by: NAnatolij Gustschin <agust@denx.de>

common/lcd.c

@@ -381,7 +381,6 @@ static inline void lcd_logo_plot(int x, int y) {}
 
 #if defined(CONFIG_CMD_BMP) || defined(CONFIG_SPLASH_SCREEN)
 #ifdef CONFIG_SPLASH_SCREEN_ALIGN
-#define BMP_ALIGN_CENTER	0x7FFF
 
 static void splash_align_axis(int *axis, unsigned long panel_size,
 					unsigned long picture_size)

drivers/video/video_bmp.c

@@ -7,6 +7,7 @@
 #include <bmp_layout.h>
 #include <dm.h>
 #include <mapmem.h>
+#include <splash.h>
 #include <video.h>
 #include <watchdog.h>
 #include <asm/unaligned.h>
@@ -140,8 +141,6 @@ __weak void fb_put_word(uchar **fb, uchar **from)
 }
 #endif /* CONFIG_BMP_16BPP */
 
-#define BMP_ALIGN_CENTER	0x7fff
-
 /**
  * video_splash_align_axis() - Align a single coordinate
  *