ARM: mv78xx0: adjust init logic for ts-wxl to reflect single core dev

Original code was largely copy-pasted from the reference board code, adjust pcie initialiazation to reflect the TS-WXL using the single-core variant of this SoC.
Correct pcie_port_size to be a power of 2 as required.

Signed-off-by: Jeremy J. Peper <jeremy@jeremypeper.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Author: 1000001101000

arch/arm/mach-mv78xx0/buffalo-wxl-setup.c

@@ -125,16 +125,8 @@ static void __init wxl_init(void)
 
 static int __init wxl_pci_init(void)
 {
-	if (machine_is_terastation_wxl()) {
-		/*
-		 * Assign the x16 PCIe slot on the board to CPU core
-		 * #0, and let CPU core #1 have the four x1 slots.
-		 */
-		if (mv78xx0_core_index() == 0)
-			mv78xx0_pcie_init(0, 1);
-		else
-			mv78xx0_pcie_init(1, 0);
-	}
+	if (machine_is_terastation_wxl() && mv78xx0_core_index() == 0)
+                mv78xx0_pcie_init(1, 1);
 
 	return 0;
 }

arch/arm/mach-mv78xx0/pcie.c

@@ -42,7 +42,7 @@ void __init mv78xx0_pcie_id(u32 *dev, u32 *rev)
 
 u32 pcie_port_size[8] = {
 	0,
-	0x30000000,
+	0x20000000,
 	0x10000000,
 	0x10000000,
 	0x08000000,