Enable Octeon board misc init so U-Boot reserves its load buffer and
sets a safe loadaddr.

Index: arch/mips/mach-octeon/Kconfig
--- arch/mips/mach-octeon/Kconfig.orig
+++ arch/mips/mach-octeon/Kconfig
@@ -36,6 +36,7 @@ choice
 
 config TARGET_OCTEON_EBB7304
 	bool "Marvell Octeon EBB7304"
+	select ARCH_MISC_INIT
 	select OCTEON_CN73XX
 	help
 	 Choose this for the Octeon EBB7304 board
