ppc/85xx: Cleanup makefile and related optional files

Cleaned up cpu/mpc85xx/Makefile to use CONFIG_* for those obvious cases
we have like PCI, CPM2, QE.  Also reworked it to use one line per file
for everything and sorted in alphabetical order.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/cpu/mpc85xx/pci.c b/cpu/mpc85xx/pci.c
index fedf1a5..75d2716 100644
--- a/cpu/mpc85xx/pci.c
+++ b/cpu/mpc85xx/pci.c
@@ -29,7 +29,7 @@
 #include <asm/cpm_85xx.h>
 #include <pci.h>
 
-#if defined(CONFIG_PCI) && !defined(CONFIG_FSL_PCI_INIT)
+#if !defined(CONFIG_FSL_PCI_INIT)
 
 #ifndef CONFIG_SYS_PCI1_MEM_BUS
 #define CONFIG_SYS_PCI1_MEM_BUS CONFIG_SYS_PCI1_MEM_BASE
@@ -227,4 +227,4 @@
 	hose->last_busno = pci_hose_scan(hose);
 #endif
 }
-#endif /* CONFIG_PCI */
+#endif /* !CONFIG_FSL_PCI_INIT */