MIPS: Malta: Fix include paths in malta-amon.c

On linux-queue, malta doesn't build after the include file relocation.
This should fix it.

There some occurrences of 'asm-mips' in the comments of quite a few
files, but this is the only place I found it in any code.
Signed-off-by: NDavid Daney <ddaney@avtrex.com>
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

arch/mips/mti-malta/malta-amon.c

@@ -22,9 +22,9 @@
 #include <linux/init.h>
 #include <linux/smp.h>
 
-#include <asm-mips/addrspace.h>
-#include <asm-mips/mips-boards/launch.h>
-#include <asm-mips/mipsmtregs.h>
+#include <asm/addrspace.h>
+#include <asm/mips-boards/launch.h>
+#include <asm/mipsmtregs.h>
 
 int amon_cpu_avail(int cpu)
 {