3.15-stable patches

3.15-stable patches

added patches:
	alarmtimer-fix-bug-where-relative-alarm-timers-were-treated-as-absolute.patch
	cpufreq-move-policy-kobj-to-policy-cpu-at-resume.patch
	drm-qxl-return-irq_none-if-it-was-not-our-irq.patch
	drm-radeon-avoid-leaking-edid-data.patch
	drm-radeon-set-default-bl-level-to-something-reasonable.patch
	hwrng-fetch-randomness-only-after-device-init.patch
	irqchip-gic-add-binding-probe-for-arm-gic400.patch
	irqchip-gic-add-support-for-cortex-a7-compatible-string.patch
	irqchip-gic-fix-core-id-calculation-when-topology-is-read-from-dt.patch
	mtd-devices-elm-fix-elm_context_save-and-elm_context_restore-functions.patch
	mwifiex-fix-tx-timeout-issue.patch
	perf-do-not-allow-optimized-switch-for-non-cloned-events.patch
	perf-x86-intel-ignore-condchgd-bit-to-avoid-false-nmi-handling.patch
	random-check-for-increase-of-entropy_count-because-of-signed-conversion.patch
	revert-drm-i915-reverse-dp-link-param-selection-prefer-fast-over-wide-again.patch
	ring-buffer-fix-polling-on-trace_pipe.patch
	x86-tsc-fix-cpufreq-lockup.patch