feat: enable CHECKPOINT_RESTORE option

It was enabled for arm64 already, so enable just for amd64.

See siderolabs/talos#12995

Signed-off-by: Andrey Smirnov <andrey.smirnov@siderolabs.com>

Author: smira

kernel/build/config-amd64

@@ -233,7 +233,7 @@ CONFIG_IPC_NS=y
 CONFIG_USER_NS=y
 CONFIG_PID_NS=y
 CONFIG_NET_NS=y
-# CONFIG_CHECKPOINT_RESTORE is not set
+CONFIG_CHECKPOINT_RESTORE=y
 # CONFIG_SCHED_AUTOGROUP is not set
 CONFIG_RELAY=y
 CONFIG_BLK_DEV_INITRD=y
@@ -1222,6 +1222,7 @@ CONFIG_USE_PERCPU_NUMA_NODE_ID=y
 CONFIG_HAVE_SETUP_PER_CPU_AREA=y
 # CONFIG_CMA is not set
 CONFIG_PAGE_BLOCK_MAX_ORDER=10
+# CONFIG_MEM_SOFT_DIRTY is not set
 CONFIG_GENERIC_EARLY_IOREMAP=y
 # CONFIG_DEFERRED_STRUCT_PAGE_INIT is not set
 # CONFIG_IDLE_PAGE_TRACKING is not set
@@ -6887,7 +6888,6 @@ CONFIG_SECURITY_DMESG_RESTRICT=y
 # CONFIG_PROC_MEM_ALWAYS_FORCE is not set
 CONFIG_PROC_MEM_FORCE_PTRACE=y
 # CONFIG_PROC_MEM_NO_FORCE is not set
-# CONFIG_MSEAL_SYSTEM_MAPPINGS is not set
 CONFIG_SECURITY=y
 CONFIG_HAS_SECURITY_AUDIT=y
 CONFIG_SECURITYFS=y