tools: burner_image_kits: Support spinand 4096B page size

Change-Id: Icc8e95807749b54845a647e95c996ca7a3d6183c
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>

tools: burner_image_kits: Support boot_merge v1.2

Change-Id: I6d2945e2367bbe4505606e31f51806f92a278438
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>

tools: burner_image_kits: Add code

1.Support burner_image_kits consult to the developer guide:
Rockchip_Developer_Guide_Linux_Flash_Open_Source_Solution_CN.md
2.Update upgrade_tool ver 1.53
3.Up

tools: burner_image_kits: Add code

1.Support burner_image_kits consult to the developer guide:
Rockchip_Developer_Guide_Linux_Flash_Open_Source_Solution_CN.md
2.Update upgrade_tool ver 1.53
3.Update mkimage from next-dev commit: 3ac03e83

Change-Id: Ib83a825d1d5954ecb7a787df41a1a99a837c06f6
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>

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