driver: net: fsl-mc: Return from DPAA_exit if boot_status !=0

Return value of get_mc_boot_status() in case of failure is not necessary
to be -1.

So update the error condition check.

Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
Reported-by: Yao Yuan <yao.yuan@nxp.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: York Sun <york.sun@nxp.com>

drivers/net/fsl-mc/mc.c

@@ -1147,7 +1147,8 @@ int fsl_mc_ldpaa_exit(bd_t *bd)
 {
 	int err = 0;
 
-	if (bd && get_mc_boot_status() == -1)
+	/* MC is not loaded intentionally, So return success. */
+	if (bd && get_mc_boot_status() != 0)
 		return 0;
 
 	if (bd && !get_mc_boot_status() && get_dpl_apply_status() == -1) {