4.12-stable patches

4.12-stable patches

added patches:
	arm-dts-armada-38x-fix-irq-type-for-pca955.patch
	arm-dts-tango4-request-rgmii-rx-and-tx-clock-delays.patch
	arm-mvebu-use-__pa_symbol-in-the-mv98dx3236-platform-smp-code.patch
	arm64-dts-marvell-armada-37xx-fix-the-number-of-gpio-on-south-bridge.patch
	clk-sunxi-ng-sun5i-add-clk_set_rate_parent-to-the-cpu-clock.patch
	ext4-fix-overflow-caused-by-missing-cast-in-ext4_resize_fs.patch
	ext4-fix-seek_hole-seek_data-for-blocksize-pagesize.patch
	gpiolib-skip-unwanted-events-don-t-convert-them-to-opposite-edge.patch
	iommu-amd-enable-ga_log_intr-when-enabling-guest_mode.patch
	mips-ralink-fix-build-error-due-to-missing-header.patch
	powerpc-64-fix-__check_irq_replay-missing-decrementer-interrupt.patch
	powerpc-tm-fix-saving-of-tm-sprs-in-core-dump.patch
	timers-fix-overflow-in-get_next_timer_interrupt.patch