fbdev/omap: Include <linux/export.h>

Fix the compile-time warnings

  drivers/video/fbdev/omap/lcd_dma.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
  drivers/video/fbdev/omap/lcdc.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
  drivers/video/fbdev/omap/omapfb_main.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Helge Deller <deller@gmx.de>
Fixes: a934a57 ("scripts/misc-check: check missing #include <linux/export.h> when W=1")
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20250612081738.197826-8-tzimmermann@suse.de

Author: tdz

drivers/video/fbdev/omap/lcd_dma.c

@@ -18,6 +18,7 @@
  * Support functions for the OMAP internal DMA channels.
  */
 
+#include <linux/export.h>
 #include <linux/module.h>
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>

drivers/video/fbdev/omap/lcdc.c

@@ -5,8 +5,10 @@
  * Copyright (C) 2004 Nokia Corporation
  * Author: Imre Deak <imre.deak@nokia.com>
  */
+
 #include <linux/module.h>
 #include <linux/device.h>
+#include <linux/export.h>
 #include <linux/interrupt.h>
 #include <linux/spinlock.h>
 #include <linux/err.h>

drivers/video/fbdev/omap/omapfb_main.c

@@ -11,6 +11,8 @@
  *   Dirk Behme <dirk.behme@de.bosch.com>  - changes for 2.6 kernel API
  *   Texas Instruments                     - H3 support
  */
+
+#include <linux/export.h>
 #include <linux/platform_device.h>
 #include <linux/mm.h>
 #include <linux/slab.h>