Merge branch 'cherry_pick_02a8ddbde2986' into 'release-1.9'

Cherry-pick: Fix validation check to ensure MOFED drivers are ready

See merge request nvidia/kubernetes/gpu-operator!389

Author: shivamerla

validator/main.go

@@ -595,9 +595,9 @@ func (m *MOFED) validate() error {
 }
 
 func (m *MOFED) runValidation(silent bool) error {
-	// invoke validation command
-	command := "grep"
-	args := []string{"ib_register_peer_memory_client", "/proc/kallsyms"}
+	//check for mlx5_core module to be loaded
+	command := "bash"
+	args := []string{"-c", "lsmod | grep mlx5_core"}
 
 	// If MOFED container is running then use readiness flag set by the driver container instead
 	if os.Getenv(UseHostMOFEDEnvname) != "true" {