kexec-boot: readd no-real-mode: this is processed by Xen. Only output is misleading

source: https://forum.qubes-os.org/t/how-to-kexec-into-qubes-from-linux-livecd/17712/14

Author: tlaurion

initrd/bin/kexec-boot

@@ -76,7 +76,7 @@ do
 		if [ "$kexectype" = "xen" ]; then
 			# always use xen with custom arguments
 			kexeccmd="$kexeccmd -l $filepath"
-			kexeccmd="$kexeccmd --command-line \"$restval reboot=no vga=current\""
+			kexeccmd="$kexeccmd --command-line \"$restval no-real-mode reboot=no vga=current\""
 		elif [ "$kexectype" = "multiboot" ]; then
 			kexeccmd="$kexeccmd -l $filepath"
 			kexeccmd="$kexeccmd --command-line \"$restval\""