package/intel-microcode: security bump to version 20190514a

Includes MDS mitigation (RIDL, Fallout, Zombieload), INTEL-SA-00223

Move to the Intel github repo as this release is not yet available on
downloadmirror.intel.com.

Update license hash because of copyright year and DOS/UNIX newlines change.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/intel-microcode/Config.in

@@ -5,3 +5,5 @@ config BR2_PACKAGE_INTEL_MICROCODE
 	  This package provides an Intel microcode data file that can be
 	  used to correct processor errors. The iucode-tool package and
 	  proper kernel support are required to upload the microcode.
+
+	  https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files

package/intel-microcode/intel-microcode.hash

@@ -1,3 +1,3 @@
 # Locally computed
-sha256 46ab18699ec42eb6cc01ee1846ec4d7ca979766dee2156f92d69e2f6df548137  microcode-20180807a.tgz
-sha256 c4698c6105d59fec11ad0929e77a003445c560c7706c089990030acbf10c9372  license
+sha256 9e67903a5b62b51f5e031b59a8046d3dff226834d79899799943803481a55d20  intel-microcode-microcode-20190514a.tar.gz
+sha256 1f8bf63fc2b1b486c507b98ff7d283c7eb58c7945746b94188a310d6787cbee5  license

package/intel-microcode/intel-microcode.mk

@@ -4,10 +4,8 @@
 #
 ################################################################################
 
-INTEL_MICROCODE_VERSION = 20180807a
-INTEL_MICROCODE_SOURCE = microcode-$(INTEL_MICROCODE_VERSION).tgz
-INTEL_MICROCODE_SITE = https://downloadmirror.intel.com/28087/eng
-INTEL_MICROCODE_STRIP_COMPONENTS = 0
+INTEL_MICROCODE_VERSION = microcode-20190514a
+INTEL_MICROCODE_SITE = $(call github,intel,Intel-Linux-Processor-Microcode-Data-Files,$(INTEL_MICROCODE_VERSION))
 INTEL_MICROCODE_LICENSE = PROPRIETARY
 INTEL_MICROCODE_LICENSE_FILES = license
 INTEL_MICROCODE_REDISTRIBUTE = NO