topology: add SAMPLE_RATE token for tone comp and define it in tone definition

Add SAMPLE_RATE token for tone comp.
Include it in tone definition and set it from the test pipeline definition.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>

Author: ranj063

topology/m4/tone.m4

@@ -15,8 +15,15 @@ define(`W_TONE',
 `		SOF_TKN_COMP_PRELOAD_COUNT'		STR($5)
 `	}'
 `}'
+`SectionVendorTuples."'N_TONE($1)`_tone_tuples_w" {'
+`	tokens "sof_tone_tokens"'
+`	tuples."word" {'
+`		SOF_TKN_TONE_SAMPLE_RATE'		ifdef(TONE_SAMPLE_RATE, STR(TONE_SAMPLE_RATE), "48000")
+`	}'
+`}'
 `SectionData."'N_TONE($1)`_data_w" {'
 `	tuples "'N_TONE($1)`_tuples_w"'
+`	tuples "'N_TONE($1)`_tone_tuples_w"'
 `}'
 `SectionVendorTuples."'N_TONE($1)`_tuples_str" {'
 `	tokens "sof_comp_tokens"'

topology/sof/tokens.m4

@@ -77,3 +77,7 @@ SectionVendorTokens."sof_dmic_pdm_tokens" {
 	SOF_TKN_INTEL_DMIC_PDM_CLK_EDGE		"705"
 	SOF_TKN_INTEL_DMIC_PDM_SKEW		"706"
 }
+
+SectionVendorTokens."sof_tone_tokens" {
+	SOF_TKN_TONE_SAMPLE_RATE		"800"
+}

topology/test/test-tone-playback.m4

@@ -36,6 +36,9 @@ include(`dsps/byt.m4')
 #  Tone --B0--> volume --B1--> SSP2
 #
 
+# Set sample rate for tone
+define(`TONE_SAMPLE_RATE', 48000)
+
 # Tone Playback pipeline 5 using max 2 channels of TEST_PIPE_FORMAT.
 # Schedule with 48 frame per 1000us deadline on core 0 with priority 0
 PIPELINE_ADD(sof/pipe-tone.m4,