device/azalia_device.c: Introduce AZALIA_MAX_CODECS

Add the AZALIA_MAX_CODECS Kconfig option and use it.

Change-Id: Ibb10c2f2992257bc261e6cb35f11cc4b2d956054
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51640
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>

src/device/Kconfig

@@ -519,6 +519,14 @@ config AZALIA_PLUGIN_SUPPORT
 	bool
 	default n
 
+config AZALIA_MAX_CODECS
+	int
+	depends on AZALIA_PLUGIN_SUPPORT
+	default 3
+	range 1 15
+	help
+	  The maximum number of codecs supported on a single HD Audio controller.
+
 config PCIEXP_PLUGIN_SUPPORT
 	bool
 	default y