4.4-stable patches

4.4-stable patches

added patches:
	metag-usercopy-add-early-abort-to-copy_to_user.patch
	metag-usercopy-add-missing-fixups.patch
	metag-usercopy-drop-unused-macros.patch
	metag-usercopy-fix-alignment-error-checking.patch
	metag-usercopy-fix-src-fixup-in-from-user-rapf-loops.patch
	metag-usercopy-set-flags-before-addz.patch
	metag-usercopy-zero-rest-of-buffer-from-copy_from_user.patch
	mips-end-spinlocks-with-.insn.patch
	mips-flush-wrong-invalid-ftlb-entry-for-huge-page.patch
	mips-force-o32-fp64-support-on-32bit-mips64r6-kernels.patch
	mips-lantiq-fix-missing-xbar-kernel-panic.patch
	mips-ralink-fix-typos-in-rt3883-pinctrl.patch
	nios2-reserve-boot-memory-for-device-tree.patch
	powerpc-don-t-try-to-fix-up-misaligned-load-with-reservation-instructions.patch
	powerpc-mm-add-missing-global-tlb-invalidate-if-cxl-is-active.patch
	s390-decompressor-fix-initrd-corruption-caused-by-bss-clear.patch
	s390-uaccess-get_user-should-zero-on-failure-again.patch