+ make spear320_config
+ spear320 build with environment variables placed at default
+ location i.e. Serial NOR device
+ make spear320_pnor_config
+ This option generates a uboot image that supports emi controller
+ for CFI compliant parallel NOR flash. Environment variables are
+ placed in Parallel NOR device
+ make spear320_nand_config
+ spear320 build with environment variables placed in NAND device
+ make spear320_usbtty_config
+ spear320 build with usbtty terminal as default and environment
+ placed at default location
+ make spear320_usbtty_pnor_config
+ spear320 build with usbtty terminal as default and environment
+ placed in pnor device
+ make spear320_usbtty_nand_config
+ Build with usbtty terminal as default and environment placed in
+ NAND device