build: update architectures

(cherry picked from commit 0eae9ac)

build/targets-main.txt

@@ -1,6 +1,7 @@
 # Generated by 'openwrt.git/scripts/dump-target-info.pl architectures'
-aarch64_cortex-a53 bcm27xx/bcm2710 bcm4908/generic mediatek/mt7622 mediatek/filogic mvebu/cortexa53 qualcommax/ipq807x sunxi/cortexa53
+aarch64_cortex-a53 bcm27xx/bcm2710 bcm4908/generic imx/cortexa53 mediatek/mt7622 mediatek/filogic mvebu/cortexa53 qualcommax/ipq807x sunxi/cortexa53
 aarch64_cortex-a72 bcm27xx/bcm2711 mvebu/cortexa72
+aarch64_cortex-a76 bcm27xx/bcm2712
 aarch64_generic armsr/armv8 layerscape/armv8_64b octeontx/generic rockchip/armv8
 arm_arm1176jzf-s_vfp bcm27xx/bcm2708
 arm_arm926ej-s at91/sam9x mxs/generic
@@ -14,11 +15,11 @@ arm_cortex-a9 bcm53xx/generic
 arm_cortex-a9_neon imx/cortexa9 zynq/generic
 arm_cortex-a9_vfpv3-d16 mvebu/cortexa9 tegra/generic
 arm_fa526 gemini/generic
-arm_mpcore oxnas/ox820
 arm_xscale kirkwood/generic
 armeb_xscale ixp4xx/generic
 i386_pentium-mmx x86/legacy x86/geode
 i386_pentium4 x86/generic
+loongarch64_generic loongarch64/generic
 mips64_octeonplus octeon/generic
 mips_24kc ath79/generic ath79/mikrotik ath79/nand ath79/tiny lantiq/xrx200 lantiq/xway lantiq/xway_legacy malta/be realtek/rtl839x realtek/rtl930x realtek/rtl931x
 mips_4kec realtek/rtl838x
@@ -29,5 +30,5 @@ mipsel_74kc bcm47xx/mips74k ramips/rt3883
 mipsel_mips32 bcm47xx/generic bcm47xx/legacy
 powerpc_464fp apm821xx/nand apm821xx/sata
 powerpc_8548 mpc85xx/p1010 mpc85xx/p1020 mpc85xx/p2020
-riscv64_riscv64 sifiveu/generic
+riscv64_riscv64 d1/generic sifiveu/generic starfive/generic
 x86_64 x86/64