ARM: 6184/2: ux500: use neutral PRCMU base

The MTU wallclock timing fix-up patch was hardwired to the DB8500
causing a regression. This makes it work on the DB5500 as well.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-ux500/clock.c

@@ -131,7 +131,7 @@ EXPORT_SYMBOL(clk_disable);
  */
 static unsigned long clk_mtu_get_rate(struct clk *clk)
 {
-	void __iomem *addr = __io_address(U8500_PRCMU_BASE)
+	void __iomem *addr = __io_address(UX500_PRCMU_BASE)
 		+ PRCM_TCR;
 	u32 tcr = readl(addr);
 	int mtu = (int) clk->data;

arch/arm/mach-ux500/cpu-db5500.c

@@ -21,6 +21,7 @@ static struct map_desc u5500_io_desc[] __initdata = {
 	__IO_DEV_DESC(U5500_GPIO2_BASE, SZ_4K),
 	__IO_DEV_DESC(U5500_GPIO3_BASE, SZ_4K),
 	__IO_DEV_DESC(U5500_GPIO4_BASE, SZ_4K),
+	__IO_DEV_DESC(U5500_PRCMU_BASE, SZ_4K),
 };
 
 static struct platform_device *u5500_platform_devs[] __initdata = {