audio: base_fw: do not include platform headers directly

The platform headers should not be included directly. Replace
platform/clk.h include with rtos/clk.h.

This patch allows to remove dependencies from platform.h
files.

Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>

Author: kv2019i

src/audio/base_fw.c

@@ -19,7 +19,6 @@
 #include <sof/lib_manager.h>
 #include <rtos/clk.h>
 #include <rtos/init.h>
-#include <platform/lib/clk.h>
 #include <sof/audio/module_adapter/module/generic.h>
 #include <sof/schedule/dp_schedule.h>
 #include <sof/schedule/ll_schedule.h>