[PATCH] edac: mpc85xx: fix warning when building without CONFIG_PCI

When building without CONFIG_PCI the edac_pci_idx variable is unused,
causing a build-time warning. Wrap the variable in #ifdef CONFIG_PCI, just
like the rest of the PCI support.

Signed-off-by: Ira W. Snyder<redacted>
---
  drivers/edac/mpc85xx_edac.c |    2 ++
  1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c
index 3f2ccfc..b4f5c63 100644
--- a/drivers/edac/mpc85xx_edac.c
+++ b/drivers/edac/mpc85xx_edac.c

@@ -26,7 +26,9 @@
  #include "mpc85xx_edac.h"

  static int edac_dev_idx;
+#ifdef CONFIG_PCI
  static int edac_pci_idx;
+#endif
  static int edac_mc_idx;

  static u32 orig_ddr_err_disable;