arch/sparc: Add module license and description for fbdev helpers

Add MODULE_LICENSE() and MODULE_DESCRIPTION() for fbdev helpers
on sparc. Fixes the following error:

ERROR: modpost: missing MODULE_LICENSE() in arch/sparc/video/fbdev.o

Reported-by: Guenter Roeck <[email protected]>
Closes: https://lore.kernel.org/dri-devel/[email protected]/
Suggested-by: Arnd Bergmann <[email protected]>
Fixes: 4eec0b3 ("arch/sparc: Implement fb_is_primary_device() in source file")
Cc: "David S. Miller" <[email protected]>
Cc: Helge Deller <[email protected]>
Cc: Sam Ravnborg <[email protected]>
Cc: [email protected]
Signed-off-by: Thomas Zimmermann <[email protected]>
Reviewed-by: Randy Dunlap <[email protected]>
Reviewed-by: Arnd Bergmann <[email protected]>
Reviewed-by: Sam Ravnborg <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

Author: Thomas Zimmermann

arch/sparc/video/fbdev.c

@@ -21,3 +21,6 @@ int fb_is_primary_device(struct fb_info *info)
 	return 0;
 }
 EXPORT_SYMBOL(fb_is_primary_device);
+
+MODULE_DESCRIPTION("Sparc fbdev helpers");
+MODULE_LICENSE("GPL");