package/intel-microcode: security bump version to 20190618

Release notes:
https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/blob/master/releasenote

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Reviewed-by: Carlos Santos <unixmania@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/intel-microcode/intel-microcode.hash

@@ -1,3 +1,3 @@
 # Locally computed
-sha256 9e67903a5b62b51f5e031b59a8046d3dff226834d79899799943803481a55d20  intel-microcode-20190514a.tar.gz
+sha256 74ec7415988d40fa53686d994cf8cb27accdbd35c5373c4c3afc2e93372ebba5  intel-microcode-20190618.tar.gz
 sha256 1f8bf63fc2b1b486c507b98ff7d283c7eb58c7945746b94188a310d6787cbee5  license

package/intel-microcode/intel-microcode.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-INTEL_MICROCODE_VERSION = 20190514a
+INTEL_MICROCODE_VERSION = 20190618
 INTEL_MICROCODE_SITE = $(call github,intel,Intel-Linux-Processor-Microcode-Data-Files,microcode-$(INTEL_MICROCODE_VERSION))
 INTEL_MICROCODE_LICENSE = PROPRIETARY
 INTEL_MICROCODE_LICENSE_FILES = license