terrible hack to get u-boot 2020.10 to boot bzImages with sysboot

u-boot-x86_64-zboot.patch

diff --git a/cmd/pxe_utils.c b/cmd/pxe_utils.c
index 8716e782f6..214baf18b0 100644
--- a/cmd/pxe_utils.c
+++ b/cmd/pxe_utils.c
@@ -552,6 +552,17 @@ static int label_boot(struct cmd_tbl *cmdtp, struct pxe_label *label)
 	/* Try booting a Image */
 	else
 		do_bootz(cmdtp, 0, bootm_argc, bootm_argv);
+#elif defined(CONFIG_CMD_ZBOOT)
+	else {
+		bootm_argc=5;
+		char * tok = strtok(bootm_argv[2], ":");
+		bootm_argv[3]=tok;
+		tok = strtok(NULL, ":");
+		bootm_argv[4]=tok;
+		bootm_argv[2]= "-";
+
+		do_zboot(cmdtp, 0, bootm_argc, bootm_argv);
+	}
 #endif
 	unmap_sysmem(buf);
 
diff --git a/include/command.h b/include/command.h
index b9b5ec1afa..cedaa425cd 100644
--- a/include/command.h
+++ b/include/command.h
@@ -141,6 +141,9 @@ extern int do_bootz(struct cmd_tbl *cmdtp, int flag, int argc,
 extern int do_booti(struct cmd_tbl *cmdtp, int flag, int argc,
 		    char *const argv[]);
 
+extern int do_zboot(struct cmd_tbl *cmdtp, int flag, int argc,
+		    char *const argv[]);
+
 extern int common_diskboot(struct cmd_tbl *cmdtp, const char *intf, int argc,
 			   char *const argv[]);