package/kexec-lite: bump version

Upstream changes include:

 - Fix loading FreeBSD kernels with multiple PT_LOAD sections.

 - Use autotools to configure and build kexec-lite

 - Add support for kexec_file_load

The packaging is adjusted to account for the change in build systems.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/kexec-lite/kexec-lite.hash

@@ -1,2 +1,2 @@
 # Locally calculated
-sha256 2e9b131324cec9d27840179daa35e3159a4032ff78b74e301850faa007567d0e kexec-lite-87d044a895b1c004320a2676099a54a5a2a74f2e.tar.gz
+sha256 6eb115c8db3a071b970d7ba985ea5e2425e1e716952186f9a4fe329a2e2bb1ca kexec-lite-18ec88310c4134eca2f9e3c417cd09f5914bf633.tar.gz

package/kexec-lite/kexec-lite.mk

@@ -4,18 +4,11 @@
 #
 ################################################################################
 
-KEXEC_LITE_VERSION = 87d044a895b1c004320a2676099a54a5a2a74f2e
+KEXEC_LITE_VERSION = 18ec88310c4134eca2f9e3c417cd09f5914bf633
 KEXEC_LITE_SITE = $(call github,antonblanchard,kexec-lite,$(KEXEC_LITE_VERSION))
 KEXEC_LITE_LICENSE = GPL-2.0+
 KEXEC_LITE_LICENSE_FILES = COPYING
 KEXEC_LITE_DEPENDENCIES = elfutils dtc
+KEXEC_LITE_AUTORECONF = YES
 
-define KEXEC_LITE_BUILD_CMDS
-	$(MAKE) $(TARGET_CONFIGURE_OPTS) -C $(@D) all
-endef
-
-define KEXEC_LITE_INSTALL_TARGET_CMDS
-	$(INSTALL) -D -m 755 $(@D)/kexec $(TARGET_DIR)/usr/sbin/kexec
-endef
-
-$(eval $(generic-package))
+$(eval $(autotools-package))