MIPS: Octeon: Remove use of CONFIG_64BIT_PHYS_ADDR.

Only supporting 64-bit kernels there is no point in depending on
this symbol.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index efc1ed4..c0c2d14 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -666,7 +666,7 @@
 	cvmx_bootmem_lock();
 	while ((boot_mem_map.nr_map < BOOT_MEM_MAP_MAX)
 		&& (total < MAX_MEMORY)) {
-#if defined(CONFIG_64BIT) || defined(CONFIG_64BIT_PHYS_ADDR)
+#ifdef CONFIG_64BIT
 		memory = cvmx_bootmem_phy_alloc(mem_alloc_size,
 						__pa_symbol(&__init_end), -1,
 						0x100000,