comp: Add initial keyword detector testing component.

This is a testing component acting as a dummy keyword
detector comp. Add the init/free and cmd op so as to be
able to accept switch cmd from userspace.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Slawomir Blauciak <slawomir.blauciak@linux.intel.com>

Author: lrgirdwo

src/arch/xtensa/configs/baytrail_defconfig

@@ -1 +1,2 @@
 CONFIG_BAYTRAIL=y
+CONFIG_COMP_TEST_KEYPHRASE=n

src/arch/xtensa/configs/cherrytrail_defconfig

@@ -1 +1,2 @@
 CONFIG_CHERRYTRAIL=y
+CONFIG_COMP_TEST_KEYPHRASE=n

src/audio/CMakeLists.txt

@@ -67,6 +67,11 @@ if(NOT BUILD_HOST)
 		selector_generic.c
 		)
 	endif()
+	if(CONFIG_COMP_TEST_KEYPHRASE)
+		add_local_sources(sof
+			detect_test.c
+		)
+	endif()
 	return()
 endif()
 

src/audio/Kconfig

@@ -66,4 +66,11 @@ config COMP_SEL
 	help
 	  Select for SEL component
 
+config COMP_TEST_KEYPHRASE
+	bool "KEYPHRASE_TEST component"
+	default y
+	help
+	  Select for KEYPHRASE_TEST component.
+	  Provides basic functionality for use in testing of keyphrase detection pipelines.
+
 endmenu