net/octeontx: fix meson build for disabled drivers

[ upstream commit be284df ]

Add a condition to check if octeontx drivers are disabled.
octeontx drivers are built only if dependent drivers i.e.
ethdev, mempool and common/octeontx are enabled.

Bugzilla ID: 387
Fixes: 7f61503 ("drivers/net: build Cavium NIC PMDs with meson")

Signed-off-by: Amit Gupta <agupta3@marvell.com>
Reviewed-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Harman Kalra <hkalra@marvell.com>

drivers/net/octeontx/base/meson.build

@@ -10,7 +10,10 @@ sources = [
 depends = ['ethdev', 'mempool_octeontx']
 static_objs = []
 foreach d: depends
-	static_objs += [get_variable('static_rte_' + d)]
+	if not is_variable('shared_rte_' + d)
+		subdir_done()
+	endif
+	static_objs += get_variable('static_rte_' + d)
 endforeach
 
 c_args = cflags