Re-implement the FEL tool, support RISC-V D1/F133 chip, support burning spi nor flash and spi nand flash

[jianjunjiang]

https://github.com/xboot/xfel

The supported chip lists.

extern struct chip_t a10;
extern struct chip_t a13_a10s_r8;
extern struct chip_t a20;
extern struct chip_t a23;
extern struct chip_t a31;
extern struct chip_t a33_r16;
extern struct chip_t a40i_r40;
extern struct chip_t a64;
extern struct chip_t a80;
extern struct chip_t a83t;
extern struct chip_t d1_f133;
extern struct chip_t f1c100s_f1c200s_f1c500s;
extern struct chip_t h2_h3;
extern struct chip_t h5;
extern struct chip_t h6;
extern struct chip_t h616;
extern struct chip_t r328;
extern struct chip_t r329;
extern struct chip_t t507;
extern struct chip_t v3s_s3;
extern struct chip_t v831;

[Icenowy]

Well I think this is too far diverged from the original sunxi-fel tool...

BTW I do think sunxi-fel needs some refactor to support suniv/sun20i.