cavs: clk: return to HPRO on wakeup

This will allow to recover hpro instead of wovcro on wakeup

Signed-off-by: Adrian Bonislawski <adrian.bonislawski@linux.intel.com>
diff --git a/src/platform/intel/cavs/lib/clk.c b/src/platform/intel/cavs/lib/clk.c
index 815bbf4..202eb11 100644
--- a/src/platform/intel/cavs/lib/clk.c
+++ b/src/platform/intel/cavs/lib/clk.c
@@ -165,12 +165,11 @@
 {
 	int waiti_freq_idx = get_waiti_freq_idx(clock);
 	int current_freq_idx = get_current_freq_idx(clock);
-	int freq_idx = *cache_to_uncache(&active_freq_idx);
 
 	if (enable && current_freq_idx > waiti_freq_idx)
 		select_cpu_clock(waiti_freq_idx, true);
-	else if (!enable && current_freq_idx != freq_idx)
-		select_cpu_clock(freq_idx, true);
+	else if (!enable && current_freq_idx != CPU_HPRO_FREQ_IDX)
+		select_cpu_clock(CPU_HPRO_FREQ_IDX, true);
 }
 
 void platform_clock_on_waiti(void)