loong64 arch support #261

Job	Run time
binutils-targets	3s
ld64	10s
ld-targets	3s
utils-lipo	24s
utils-sigtool	42s
binutils (binutils-linux-386-alpine)	18s
binutils (binutils-linux-amd64-alpine)	19s
binutils (binutils-linux-arm64-alpine)	19s
binutils (binutils-linux-armv6-alpine)	24s
binutils (binutils-linux-armv7-alpine)	24s
binutils (binutils-linux-ppc64le-alpine)	33s
binutils (binutils-linux-riscv64-alpine)	19s
binutils (binutils-linux-s390x-alpine)	24s
binutils (binutils-windows-386-alpine)	15s
binutils (binutils-windows-amd64-alpine)	18s
ld (ld-linux-386-static-tgz)	14s
ld (ld-linux-amd64-static-tgz)	24s
ld (ld-linux-arm64-static-tgz)	19s
ld (ld-linux-armv6-static-tgz)	9s
ld (ld-linux-armv7-static-tgz)	11s
ld (ld-linux-ppc64le-static-tgz)	11s
ld (ld-linux-riscv64-static-tgz)	10s
ld (ld-linux-s390x-static-tgz)	9s
ld (ld-windows-386-static-tgz)	11s
ld (ld-windows-amd64-static-tgz)	8s
release	0s
	7m 1s

Provide feedback