drm/agpsupport: Move EXPORT_SYMBOL so that it immediately follows its function

EXPORT_SYMBOL(foo) should immediately follow its function/variable.
This coding style is preferred.
Found by checkpath.pl.

Signed-off-by: Meghana Madhyastha <meghana.madhyastha@gmail.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/0496f0e821082969ec7950ac35f1e6b6cedb22a6.1505376068.git.meghana.madhyastha@gmail.com

drivers/gpu/drm/drm_agpsupport.c

@@ -70,7 +70,6 @@ int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info)
 
 	return 0;
 }
-
 EXPORT_SYMBOL(drm_agp_info);
 
 int drm_agp_info_ioctl(struct drm_device *dev, void *data,
@@ -107,7 +106,6 @@ int drm_agp_acquire(struct drm_device *dev)
 	dev->agp->acquired = 1;
 	return 0;
 }
-
 EXPORT_SYMBOL(drm_agp_acquire);
 
 /**
@@ -172,7 +170,6 @@ int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode)
 	dev->agp->enabled = 1;
 	return 0;
 }
-
 EXPORT_SYMBOL(drm_agp_enable);
 
 int drm_agp_enable_ioctl(struct drm_device *dev, void *data,