mips: octeon: cpu.c: Move bootmem init to arch_early_init_r()

Call octeon_bootmem_init() earlier in the boot process, so that this
bootmemory infrastructure is already initialized when e.g. the
networking support gets probed.

Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 06cae68..9b62764 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -101,6 +101,7 @@
 
 config ARCH_OCTEON
 	bool "Support Marvell Octeon CN7xxx platforms"
+	select ARCH_EARLY_INIT_R
 	select CPU_CAVIUM_OCTEON
 	select DISPLAY_CPUINFO
 	select DMA_ADDR_T_64BIT
diff --git a/arch/mips/mach-octeon/cpu.c b/arch/mips/mach-octeon/cpu.c
index 6cfcc3e..fffd9df 100644
--- a/arch/mips/mach-octeon/cpu.c
+++ b/arch/mips/mach-octeon/cpu.c
@@ -393,14 +393,25 @@
 	return ret;
 }
 
-int arch_misc_init(void)
+int arch_early_init_r(void)
 {
 	int ret;
 
+	/*
+	 * Needs to be called pretty early, so that e.g. networking etc
+	 * can access the bootmem infrastructure
+	 */
 	ret = octeon_bootmem_init();
 	if (ret)
 		return ret;
 
+	return 0;
+}
+
+int arch_misc_init(void)
+{
+	int ret;
+
 	ret = octeon_configure_load_memory();
 	if (ret)
 		return ret;