configure, meson: convert libdaxctl detection to meson

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/meson_options.txt b/meson_options.txt
index a70aedb..4618000 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -84,6 +84,8 @@
        description: 'nettle cryptography support')
 option('gcrypt', type : 'feature', value : 'auto',
        description: 'libgcrypt cryptography support')
+option('libdaxctl', type : 'feature', value : 'auto',
+       description: 'libdaxctl support')
 option('libudev', type : 'feature', value : 'auto',
        description: 'Use libudev to enumerate host devices')
 option('libusb', type : 'feature', value : 'auto',