clock: simplify clock implementation

Refactors clock code to include clocks for all cores.
Also simplifies the whole clock driver implementation,
so the ifdefs for platforms are no longer needed.

Signed-off-by: Tomasz Lauda <tomasz.lauda@linux.intel.com>

Author: tlauda

src/arch/xtensa/smp/cpu.c

@@ -41,6 +41,7 @@
 #include <arch/idc.h>
 #include <platform/platform.h>
 #include <sof/lock.h>
+#include <sof/notifier.h>
 #include <sof/schedule.h>
 
 /* cpu tracing */

src/audio/eq_iir.c

@@ -40,7 +40,7 @@
 #include <sof/stream.h>
 #include <sof/alloc.h>
 #include <sof/work.h>
-#include <sof/clock.h>
+#include <sof/clk.h>
 #include <sof/audio/component.h>
 #include <sof/audio/pipeline.h>
 #include <sof/audio/format.h>

src/audio/pipeline_static.c

@@ -40,7 +40,6 @@
 #include <sof/stream.h>
 #include <sof/dai.h>
 #include <sof/ipc.h>
-#include <platform/clk.h>
 #include <platform/platform.h>
 #include <sof/audio/component.h>
 #include <sof/audio/pipeline.h>

src/audio/src.c

@@ -39,7 +39,7 @@
 #include <sof/stream.h>
 #include <sof/alloc.h>
 #include <sof/work.h>
-#include <sof/clock.h>
+#include <sof/clk.h>
 #include <sof/audio/component.h>
 #include <sof/audio/pipeline.h>
 #include <sof/math/numbers.h>

src/audio/tone.c

@@ -40,7 +40,7 @@
 #include <sof/stream.h>
 #include <sof/alloc.h>
 #include <sof/work.h>
-#include <sof/clock.h>
+#include <sof/clk.h>
 #include <sof/audio/component.h>
 #include <sof/audio/format.h>
 #include <sof/audio/pipeline.h>

src/audio/volume.c

@@ -46,7 +46,7 @@
 #include <sof/stream.h>
 #include <sof/alloc.h>
 #include <sof/work.h>
-#include <sof/clock.h>
+#include <sof/clk.h>
 #include "volume.h"
 #include <sof/math/numbers.h>
 /**

src/drivers/intel/baytrail/Makefile.am

@@ -1,7 +1,6 @@
 noinst_LTLIBRARIES = libdrivers.la
 
 libdrivers_la_SOURCES = \
-	clk.c \
 	interrupt.c \
 	ssp.c \
 	timer.c

src/drivers/intel/baytrail/clk.c

@@ -1,7 +1,6 @@
 noinst_LTLIBRARIES = libdrivers.la
 
 libdrivers_la_SOURCES = \
-	clk.c \
 	dmic.c \
 	hda-dma.c \
 	hda.c \