edac: Rename the parent dev to pdev

As EDAC doesn't use struct device itself, it created a parent dev
pointer called as "pdev".  Now that we'll be converting it to use
struct device, instead of struct devsys, this needs to be fixed.

No functional changes.

Reviewed-by: Aristeu Rozanski <arozansk@redhat.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Cc: Doug Thompson <norsk5@yahoo.com>
Cc: Borislav Petkov <borislav.petkov@amd.com>
Cc: Mark Gross <mark.gross@intel.com>
Cc: Jason Uhlenkott <juhlenko@akamai.com>
Cc: Tim Small <tim@buttersideup.com>
Cc: Ranganathan Desikan <ravi@jetztechnologies.com>
Cc: "Arvind R." <arvino55@gmail.com>
Cc: Olof Johansson <olof@lixom.net>
Cc: Egor Martovetsky <egor@pasemi.com>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Joe Perches <joe@perches.com>
Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Hitoshi Mitake <h.mitake@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: "Niklas Söderlund" <niklas.soderlund@ericsson.com>
Cc: Shaohui Xie <Shaohui.Xie@freescale.com>
Cc: Josh Boyer <jwboyer@gmail.com>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/edac/r82600_edac.c

@@ -140,7 +140,7 @@ static void r82600_get_error_info(struct mem_ctl_info *mci,
 {
 	struct pci_dev *pdev;
 
-	pdev = to_pci_dev(mci->dev);
+	pdev = to_pci_dev(mci->pdev);
 	pci_read_config_dword(pdev, R82600_EAP, &info->eapr);
 
 	if (info->eapr & BIT(0))
@@ -296,7 +296,7 @@ static int r82600_probe1(struct pci_dev *pdev, int dev_idx)
 		return -ENOMEM;
 
 	debugf0("%s(): mci = %p\n", __func__, mci);
-	mci->dev = &pdev->dev;
+	mci->pdev = &pdev->dev;
 	mci->mtype_cap = MEM_FLAG_RDDR | MEM_FLAG_DDR;
 	mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_EC | EDAC_FLAG_SECDED;
 	/* FIXME try to work out if the chip leads have been used for COM2