interconnect: imx: Replace inclusion of kernel.h in the header

The kernel.h is not used here directly, replace it with proper
set of headers.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230920153645.2068193-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>

Author: andy-shev

drivers/interconnect/imx/imx.h

@@ -11,8 +11,12 @@
 #define __DRIVERS_INTERCONNECT_IMX_H
 
 #include <linux/args.h>
+#include <linux/bits.h>
+#include <linux/types.h>
+
 #include <linux/interconnect-provider.h>
-#include <linux/kernel.h>
+
+struct platform_device;
 
 #define IMX_ICC_MAX_LINKS	4