HACK add mips generic configs again

arch/mips/configs/generic/32r1.config

arch/mips/configs/generic/32r2.config

arch/mips/configs/generic/32r6.config

arch/mips/configs/generic/64r1.config

arch/mips/configs/generic/64r2.config

arch/mips/configs/generic/64r6.config

arch/mips/configs/generic/board-boston.config

arch/mips/configs/generic/board-ni169445.config

arch/mips/configs/generic/board-sead-3.config

arch/mips/configs/generic/board-xilfpga.config

arch/mips/configs/generic/eb.config

arch/mips/configs/generic/el.config

arch/mips/configs/generic/micro32r2.config

arch/mips/configs/generic_defconfig