package/thermald: bump to version 2.5.6

https://github.com/intel/thermal_daemon/blob/v2.5.6/README.txt

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>

package/thermald/thermald.hash

@@ -1,3 +1,3 @@
 # Locally computed:
-sha256  75c165df45b3d09c904d314c8c19789158e9538f46e3d2b606457dc631eb3af5  thermald-2.5.1.tar.gz
+sha256  e5a452624f133d71f4aff0bd0c8f8258399a5ae1a7d5aea177fa6a6e33dad1fd  thermald-2.5.6.tar.gz
 sha256  e98be8bc482e038a14bfbc01caf800bbd0024fff275ef14cd999db6560254a8d  COPYING

package/thermald/thermald.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-THERMALD_VERSION = 2.5.1
+THERMALD_VERSION = 2.5.6
 THERMALD_SITE = $(call github,intel,thermal_daemon,v$(THERMALD_VERSION))
 # fetched from Github, with no configure script
 THERMALD_AUTORECONF = YES