[MIPS] Malta: Fix build errors for 64-bit kernels

Fix 64-bit Malta by using CKSEG0ADDR and correct casts.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/mips-boards/generic/amon.c b/arch/mips/mips-boards/generic/amon.c
index b7633fd..96236bf 100644
--- a/arch/mips/mips-boards/generic/amon.c
+++ b/arch/mips/mips-boards/generic/amon.c
@@ -28,7 +28,7 @@
 
 int amon_cpu_avail(int cpu)
 {
-	struct cpulaunch *launch = (struct cpulaunch *)KSEG0ADDR(CPULAUNCH);
+	struct cpulaunch *launch = (struct cpulaunch *)CKSEG0ADDR(CPULAUNCH);
 
 	if (cpu < 0 || cpu >= NCPULAUNCH) {
 		pr_debug("avail: cpu%d is out of range\n", cpu);
@@ -53,7 +53,7 @@
 		    unsigned long gp, unsigned long a0)
 {
 	volatile struct cpulaunch *launch =
-		(struct cpulaunch  *)KSEG0ADDR(CPULAUNCH);
+		(struct cpulaunch  *)CKSEG0ADDR(CPULAUNCH);
 
 	if (!amon_cpu_avail(cpu))
 		return;