[PARISC] Use kzalloc and other janitor-style cleanups

Helge,
  o Convert a bunch of kmalloc/memset uses to kzalloc.
  o pci.c: Add some __read_mostly annotations.
  o pci.c: Move constant pci_post_reset_delay to asm/pci.h
  o grfioctl.h: Add A4450A to comment of CRT_ID_VISUALIZE_EG.
  o Add some consts to perf.c/perf_images.h

Matthew,
  o sticore.c: Add some consts to suppress compile warnings.

Signed-off-by: Helge Deller <deller@parisc-linux.org>
Signed-off-by: Matthew Wilcox <willy@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
diff --git a/drivers/parport/parport_gsc.c b/drivers/parport/parport_gsc.c
index fde29a7..1de52d9 100644
--- a/drivers/parport/parport_gsc.c
+++ b/drivers/parport/parport_gsc.c
@@ -249,7 +249,7 @@
 	struct parport tmp;
 	struct parport *p = &tmp;
 
-	priv = kmalloc (sizeof (struct parport_gsc_private), GFP_KERNEL);
+	priv = kzalloc (sizeof (struct parport_gsc_private), GFP_KERNEL);
 	if (!priv) {
 		printk (KERN_DEBUG "parport (0x%lx): no memory!\n", base);
 		return NULL;