[SPARC] Relax TLS GD/LD relocations #4114

Job	Run time
build-macos (-DCMAKE_DISABLE_PRECOMPILE_HEADERS=On)	10m 11s
build-gcc	18m 9s
build-clang (-DCMAKE_DISABLE_PRECOMPILE_HEADERS=On)	11m 58s
build-macos (-DMOLD_USE_ASAN=On)	21m 40s
build-distros (alpine)	14m 53s
build-clang (-DMOLD_USE_TSAN=On)	17m 30s
build-distros (archlinux)	17m 24s
build-msys	11m 9s
build-distros (fedora)	11m 43s
build-windows	28m 31s
build-distros (gentoo/stage3)	17m 36s
build-distros (opensuse/tumbleweed)	11m 29s
	3h 12m 13s

Provide feedback