kexec: bump to version 2.0.4

Version 2.0.4 has improved support for handling of device-tree
blobs on the ARM platform.

Signed-off-by: Sven Neumann <s.neumann@raumfeld.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/kexec/kexec.mk

@@ -3,8 +3,9 @@
 # kexec
 #
 #############################################################
-KEXEC_VERSION = 2.0.3
-KEXEC_SOURCE = kexec-tools-$(KEXEC_VERSION).tar.bz2
+
+KEXEC_VERSION = 2.0.4
+KEXEC_SOURCE = kexec-tools-$(KEXEC_VERSION).tar.xz
 KEXEC_SITE = $(BR2_KERNEL_MIRROR)/linux/utils/kernel/kexec
 
 ifeq ($(BR2_PACKAGE_KEXEC_ZLIB),y)