staging: fbtft: Add spaces around / - Style

Puts spaces around the /.
Signed-off-by: NLeonardo Brás <leobras.c@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/fbtft/fbtft-core.c

@@ -767,7 +767,7 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display,
 	fbops->fb_setcolreg =      fbtft_fb_setcolreg;
 	fbops->fb_blank     =      fbtft_fb_blank;
 
-	fbdefio->delay =           HZ/fps;
+	fbdefio->delay =           HZ / fps;
 	fbdefio->deferred_io =     fbtft_deferred_io;
 	fb_deferred_io_init(info);