Revert "staging: fsl-mc: fix a few implicit includes"

This reverts commit 5776aad3.

The whole series is broken, so back it all out.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Cc: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/fsl-mc/bus/dpbp.c

@@ -29,7 +29,6 @@
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */
-#include <linux/kernel.h>
 #include "../include/mc-sys.h"
 #include "../include/mc-cmd.h"
 #include "../include/dpbp.h"

drivers/staging/fsl-mc/bus/dpcon.c

@@ -29,7 +29,6 @@
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */
-#include <linux/kernel.h>
 #include "../include/mc-sys.h"
 #include "../include/mc-cmd.h"
 #include "../include/dpcon.h"

drivers/staging/fsl-mc/bus/dpio/dpio.c

@@ -30,7 +30,6 @@
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */
-#include <linux/kernel.h>
 #include "../../include/mc-sys.h"
 #include "../../include/mc-cmd.h"
 

drivers/staging/fsl-mc/bus/dpmcp.c

@@ -29,7 +29,6 @@
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */
-#include <linux/kernel.h>
 #include "../include/mc-sys.h"
 #include "../include/mc-cmd.h"
 

drivers/staging/fsl-mc/bus/dprc.c

@@ -29,7 +29,6 @@
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */
-#include <linux/kernel.h>
 #include "../include/mc.h"
 #include "../include/mc-sys.h"
 #include "../include/mc-cmd.h"