[AGPGART] allow drm populated agp memory types cleanups

Fix whitespace, braces, use kzalloc().

Cc: Dave Airlie <airlied@linux.ie>
Cc: Thomas Hellstrom <thomas@tungstengraphics.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Jones <davej@redhat.com>

drivers/char/agp/intel-agp.c

@@ -89,7 +89,6 @@ static struct _intel_i810_private {
 	int num_dcache_entries;
 } intel_i810_private;
 
-
 static int intel_i810_fetch_size(void)
 {
 	u32 smram_miscc;