kexec-tools: update to 2.0.21

kdump was removed in 7acd257ae67b4ca94f8c23cb8bda0ee0709b9216

gdb can be used as an alternative.

Remove autoreconf. It's not needed as the configure files are already
generated.

Remove upstreamed patch.

Signed-off-by: Rosen Penev <[email protected]>

package/boot/kexec-tools/Makefile

@@ -8,14 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=kexec-tools
-PKG_VERSION:=2.0.16
-PKG_RELEASE:=2
+PKG_VERSION:=2.0.21
+PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=@KERNEL/linux/utils/kernel/kexec
-PKG_HASH:=5b103351ad752c9badd1d65b00eb6de4bce579f944f4df4e3ef3a755ba567010
-
-PKG_FIXUP:=autoreconf
+PKG_HASH:=e113142dee891638ad96e0f72cf9277b244477619470b30c41999d312e8e8702
 
 PKG_CONFIG_DEPENDS := CONFIG_KEXEC_ZLIB CONFIG_KEXEC_LZMA
 
@@ -51,17 +49,6 @@ define Package/kexec/description
  The kexec utility allows to load and boot another kernel.
 endef
 
-define Package/kdump
-  $(call Package/kexec-tools/Default)
-  TITLE:=Kernel crash analysis
-  DEPENDS:=+kexec @(i386||x86_64||arm) @KERNEL_CRASH_DUMP
-endef
-
-define Package/kdump/description
- The kdump package allows to automatically boot into a
- special kernel for analyzing kernel crashes using kdump.
-endef
-
 define Package/kexec/config
 	source "$(SOURCE)/Config.in"
 endef
@@ -108,28 +95,5 @@ define Package/kexec/install
 	$(LN) ../usr/sbin/kexec $(1)/sbin/kexec
 endef
 
-define Package/kdump/install
-	$(INSTALL_DIR) $(1)/usr/sbin $(1)/etc/init.d $(1)/etc/config $(1)/etc/uci-defaults
-	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/kdump $(PKG_INSTALL_DIR)/usr/sbin/vmcore-dmesg $(1)/usr/sbin
-	$(INSTALL_BIN) ./files/kdump.init $(1)/etc/init.d/kdump
-	$(INSTALL_BIN) ./files/kdump.defaults $(1)/etc/uci-defaults/kdump
-	$(INSTALL_CONF) ./files/kdump.config $(1)/etc/config/kdump
-endef
-
-define Package/kdump/prerm
-#!/bin/sh
-
-case $$(uname -m) in
-	i?86|x86_64)
-		if grep -q " crashkernel=" /boot/grub/grub.cfg; then
-			mount /boot -o remount,rw
-			sed -i 's/ crashkernel=[^ ]*//' /boot/grub/grub.cfg
-			mount /boot -o remount,ro
-		fi
-		;;
-esac
-endef
-
 $(eval $(call BuildPackage,kexec-tools))
 $(eval $(call BuildPackage,kexec))
-$(eval $(call BuildPackage,kdump))

package/boot/kexec-tools/patches/100-kexec-tools-fix-for-Unhandled-rela-relocation-R_X86_64_PLT32-error.patch

@@ -1,14 +0,0 @@
-diff --git a/kexec/arch/x86_64/kexec-elf-rel-x86_64.c b/kexec/arch/x86_64/kexec-elf-rel-x86_64.c
-index 7fdde73..af33689 100644
---- a/kexec/arch/x86_64/kexec-elf-rel-x86_64.c
-+++ b/kexec/arch/x86_64/kexec-elf-rel-x86_64.c
-@@ -78,7 +78,8 @@ void machine_apply_elf_rel(struct mem_ehdr *UNUSED(ehdr),
- 		if ((int64_t)value != *(int32_t *)location)
- 			goto overflow;
- 		break;
--	case R_X86_64_PC32: 
-+	case R_X86_64_PC32:
-+	case R_X86_64_PLT32:
- 		*(uint32_t *)location = value - address;
- 		break;
- 	default: