nvmesensor: Disable NVMe MI MCTP by default

Building nvmesensor against the correct libmctp is a fraught experience,
so disable it by default to ensure we can get some CI coverage.

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Change-Id: Ic9cd415271289c448c0b61bbba77e50cf636b7a2
diff --git a/meson_options.txt b/meson_options.txt
index 6bf8530..ae3008a 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -7,7 +7,7 @@
 option('ipmb', type: 'feature', value: 'enabled', description: 'Enable IPMB sensor.',)
 option('mcu', type: 'feature', value: 'enabled', description: 'Enable MCU sensor.',)
 option('nvme', type: 'feature', value: 'disabled', description: 'Enable NVMe sensor.',)
-option('nvme-mi-mctp', type: 'feature', value: 'enabled', description: 'Manage NVMe devices via MCTP')
+option('nvme-mi-mctp', type: 'feature', value: 'disabled', description: 'Manage NVMe devices via MCTP')
 option('psu', type: 'feature', value: 'enabled', description: 'Enable PSU sensor.',)
 option('external', type: 'feature', value: 'enabled', description: 'Enable External sensor.',)
 option('tests', type: 'feature', value: 'enabled', description: 'Build tests.',)