fbdev/omap2: Do not include <linux/export.h>

Fix the compile-time warnings

drivers/video/fbdev/omap2/omapfb/dss/dpi.c: warning: EXPORT_SYMBOL() is not used, but #include <linux/export.h> is present
drivers/video/fbdev/omap2/omapfb/dss/sdi.c: warning: EXPORT_SYMBOL() is not used, but #include <linux/export.h> is present
drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c: warning: EXPORT_SYMBOL() is not used, but #include <linux/export.h> is present

Signed-off-by: Thomas Zimmermann <[e-mail]>
Reviewed-by: Helge Deller <[e-mail]>
Fixes: 7d95680d64ac ("scripts/misc-check: check unnecessary #include <linux/export.h> when W=1")
Cc: Masahiro Yamada <[e-mail]>
Cc: Nathan Chancellor <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

drivers/video/fbdev/omap2/omapfb/dss/dpi.c

···
 
 #include <linux/kernel.h>
 #include <linux/delay.h>
-#include <linux/export.h>
 #include <linux/err.h>
 #include <linux/errno.h>
 #include <linux/platform_device.h>

drivers/video/fbdev/omap2/omapfb/dss/sdi.c

···
 #include <linux/delay.h>
 #include <linux/err.h>
 #include <linux/regulator/consumer.h>
-#include <linux/export.h>
 #include <linux/platform_device.h>
 #include <linux/string.h>
 #include <linux/of.h>

drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c

···
 #include <linux/mm.h>
 #include <linux/omapfb.h>
 #include <linux/vmalloc.h>
-#include <linux/export.h>
 #include <linux/sizes.h>
 
 #include <video/omapfb_dss.h>