qemu: check for reboot-timeout on monitor

The support for <boot rebootTimeout="12345"/> was added before we were
checking for qemu command line options in QMP, so we haven't properly
adapted virQEMUCaps when using it and thus we report unsupported
option with new enough qemu.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1042690

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>

src/qemu/qemu_capabilities.c

@@ -2284,6 +2284,7 @@ static struct virQEMUCapsCommandLineProps virQEMUCapsCommandLine[] = {
     { "drive", "discard", QEMU_CAPS_DRIVE_DISCARD },
     { "realtime", "mlock", QEMU_CAPS_MLOCK },
     { "boot-opts", "strict", QEMU_CAPS_BOOT_STRICT },
+    { "boot-opts", "reboot-timeout", QEMU_CAPS_REBOOT_TIMEOUT },
 };
 
 static int

tests/qemucapabilitiesdata/caps_1.5.3-1.caps

@@ -133,4 +133,5 @@
     <flag name='kvm-pit-lost-tick-policy'/>
     <flag name='boot-strict'/>
     <flag name='pvpanic'/>
+    <flag name='reboot-timeout'/>
   </qemuCaps>

tests/qemucapabilitiesdata/caps_1.6.0-1.caps

@@ -137,4 +137,5 @@
     <flag name='kvm-pit-lost-tick-policy'/>
     <flag name='boot-strict'/>
     <flag name='pvpanic'/>
+    <flag name='reboot-timeout'/>
   </qemuCaps>

tests/qemucapabilitiesdata/caps_1.6.50-1.caps

@@ -136,4 +136,5 @@
     <flag name='kvm-pit-lost-tick-policy'/>
     <flag name='boot-strict'/>
     <flag name='pvpanic'/>
+    <flag name='reboot-timeout'/>
   </qemuCaps>