meson: Add boost dependency

Copied the bits and pieces from bmcweb.

Change-Id: I6ce919ac5f30d9c814df6e96ba8b579115c82a4b
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
diff --git a/meson.build b/meson.build
index c826d00..36089a1 100644
--- a/meson.build
+++ b/meson.build
@@ -12,10 +12,11 @@
 
 sdbusplus_dep = dependency('sdbusplus')
 phosphor_dbus_interfaces_dep = dependency('phosphor-dbus-interfaces')
-
+boost = dependency('boost', include_type: 'system')
 deps = [
     sdbusplus_dep,
     phosphor_dbus_interfaces_dep,
+    boost,
 ]
 
 udevdir = dependency('udev').get_variable(pkgconfig: 'udevdir')