Update SUPPORT.md

SUPPORT.md

@@ -139,3 +139,13 @@
 
 >  ### MediaTek 路由器工作流（大约103种）build-mediatek-filogic-router.yml 
 abt_asr3000,acelink_ew-7886cax,acer_predator-w6,acer_predator-w6d,acer_vero-w6m,arcadyan_mozart,asus_rt-ax52,asus_rt-ax59u,asus_tuf-ax4200,asus_tuf-ax6000,bananapi_bpi-r3,bananapi_bpi-r3-mini,bananapi_bpi-r4,bananapi_bpi-r4-poe,cetron_ct3003,cetron_ct3003-ubootmod,cmcc_a10-stock,cmcc_a10-ubootmod,cmcc_rax3000m,cmcc_rax3000me,comfast_cf-e393ax,confiabits_mt7981,cudy_ap3000-v1,cudy_ap3000outdoor-v1,cudy_m3000-v1,cudy_re3000-v1,cudy_tr3000-v1,cudy_tr3000-v1-ubootmod,cudy_wr3000-v1,cudy_wr3000e-v1,cudy_wr3000h-v1,cudy_wr3000s-v1,dlink_aquila-pro-ai-m30-a1,dlink_aquila-pro-ai-m60-a1,edgecore_eap111,gatonetworks_gdsp,glinet_gl-mt2500,glinet_gl-mt3000,glinet_gl-mt6000,glinet_gl-x3000,glinet_gl-xe3000,h3c_magic-nx30-pro,h3c_magic-nx30-pro-nmbm,huasifei_wh3000-emmc,imou_lc-hx3001,jcg_q30-pro,jdcloud_re-cp-03,keenetic_kn-3811,keenetic_kn-3911,konka_komi-a31,livinet_zr-3020,livinet_zr-3020-ubootmod,mediatek_mt7981-rfb,mediatek_mt7986a-rfb-nand,mediatek_mt7986b-rfb,mediatek_mt7988a-rfb,mercusys_mr80x-v3,mercusys_mr90x-v1,mercusys_mr90x-v1-ubi,netcore_n60,netcore_n60-pro,netgear_wax220,netis_nx31,nokia_ea0326gmp,openembed_som7981,openwrt_one,qihoo_360t7,routerich_ax3000,routerich_ax3000-ubootmod,routerich_ax3000-v1,ruijie_rg-x60-pro,smartrg_sdg-8612,smartrg_sdg-8614,smartrg_sdg-8622,smartrg_sdg-8632,smartrg_sdg-8733,smartrg_sdg-8733a,smartrg_sdg-8734,tplink_archer-ax80-v1,tplink_re6000xd,tplink_tl-xdr4288,tplink_tl-xdr6086,tplink_tl-xdr6088,tplink_tl-xtr8488,ubnt_unifi-6-plus,unielec_u7981-01-emmc,unielec_u7981-01-nand,wavlink_wl-wn573hx3,wavlink_wl-wn586x3,xiaomi_mi-router-ax3000t,xiaomi_mi-router-ax3000t-ubootmod,xiaomi_mi-router-wr30u-stock,xiaomi_mi-router-wr30u-ubootmod,xiaomi_redmi-router-ax6000-stock,xiaomi_redmi-router-ax6000-ubootmod,yuncore_ax835,zbtlink_zbt-z8102ax,zbtlink_zbt-z8103ax,zyxel_ex5601-t0-stock,zyxel_ex5601-t0-ubootmod,zyxel_ex5700-telenor,zyxel_nwa50ax-pro
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+> ### 硬路由固件格式说明
+
+| 文件类型 | 用途        | 内容               | 常用场景             |
+| ---- | --------- | ---------------- | ---------------- |
+| FIP  | Arm 固件包   | BL1/BL2/BL31 等   | CPU 上电启动         |
+| BIN  | 泛二进制      | Bootloader/内核等   | 烧录或加载执行          |
+| UBI  | NAND 文件系统 | UBIFS 镜像         | 嵌入式 NAND 路由器/开发板 |
+| ITB  | U-Boot 镜像 | 内核+设备树+initramfs | U-Boot 启动镜像      |
+