e1000: Remove spaces after casts and function names

    /* HW expects these in little endian so we reverse the byte order

     * from network order (big endian) to little endian

     */

    rar_low = ((u32) addr[0] |

               ((u32) addr[1] << 8) |

    rar_low = ((u32)addr[0] | ((u32)addr[1] << 8) |

               ((u32)addr[2] << 16) | ((u32)addr[3] << 24));

    rar_high = ((u32)addr[4] | ((u32)addr[5] << 8));