configure: convert accelerator variables to meson options

Prepare for moving the tests to meson.  For now they only have
enabled/disabled as the possible values when meson is invoked,
but "auto" will be a possibility later, when configure will only
parse the command line options.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/meson_options.txt b/meson_options.txt
index 46ea1d8..05adc7a 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -11,6 +11,21 @@
 option('malloc', type : 'combo', choices : ['system', 'tcmalloc', 'jemalloc'],
        value: 'system', description: 'choose memory allocator to use')
 
+option('kvm', type: 'feature', value: 'auto',
+       description: 'KVM acceleration support')
+option('hax', type: 'feature', value: 'auto',
+       description: 'HAX acceleration support')
+option('whpx', type: 'feature', value: 'auto',
+       description: 'WHPX acceleration support')
+option('hvf', type: 'feature', value: 'auto',
+       description: 'HVF acceleration support')
+option('xen', type: 'feature', value: 'auto',
+       description: 'Xen backend support')
+option('xen_pci_passthrough', type: 'feature', value: 'auto',
+       description: 'Xen PCI passthrough support')
+option('tcg', type: 'feature', value: 'auto',
+       description: 'TCG support')
+
 option('cocoa', type : 'feature', value : 'auto',
        description: 'Cocoa user interface (macOS only)')
 option('mpath', type : 'feature', value : 'auto',