powerpc/85xx: Rework MPC8536DS pci_init_board to use common FSL PCIe code

Remove duplicated code in MPC8536DS board and utilize the common
fsl_pcie_init_board().

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/include/configs/MPC8536DS.h b/include/configs/MPC8536DS.h
index 71ffba3..94a542c 100644
--- a/include/configs/MPC8536DS.h
+++ b/include/configs/MPC8536DS.h
@@ -484,6 +484,7 @@
 #define CONFIG_SYS_PCI1_IO_SIZE		0x00010000	/* 64k */
 
 /* controller 1, Slot 1, tgtid 1, Base address a000 */
+#define CONFIG_SYS_PCIE1_NAME		"Slot 1"
 #define CONFIG_SYS_PCIE1_MEM_VIRT	0x90000000
 #ifdef CONFIG_PHYS_64BIT
 #define CONFIG_SYS_PCIE1_MEM_BUS	0xf8000000
@@ -503,6 +504,7 @@
 #define CONFIG_SYS_PCIE1_IO_SIZE	0x00010000	/* 64k */
 
 /* controller 2, Slot 2, tgtid 2, Base address 9000 */
+#define CONFIG_SYS_PCIE2_NAME		"Slot 2"
 #define CONFIG_SYS_PCIE2_MEM_VIRT	0x98000000
 #ifdef CONFIG_PHYS_64BIT
 #define CONFIG_SYS_PCIE2_MEM_BUS	0xf8000000
@@ -522,6 +524,7 @@
 #define CONFIG_SYS_PCIE2_IO_SIZE	0x00010000	/* 64k */
 
 /* controller 3, direct to uli, tgtid 3, Base address 8000 */
+#define CONFIG_SYS_PCIE3_NAME		"Slot 3"
 #define CONFIG_SYS_PCIE3_MEM_VIRT	0xa0000000
 #ifdef CONFIG_PHYS_64BIT
 #define CONFIG_SYS_PCIE3_MEM_BUS	0xe0000000