payloads: add Kconfig option for bayou

Add an option to add bayou as the primary payload.

Change-Id: I8c0164344537b82870198b13ef6fdf20e7d095ef
Signed-off-by: Antonello Dettori <dev@dettori.io>
Reviewed-on: https://review.coreboot.org/15954
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Omar Pakker
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/payloads/Kconfig b/payloads/Kconfig
index 8cce778a..7700631 100644
--- a/payloads/Kconfig
+++ b/payloads/Kconfig
@@ -25,12 +25,20 @@
 	  You will be able to specify the location and file name of the
 	  payload image later.
 
+config PAYLOAD_BAYOU
+	bool "Bayou"
+	help
+	  Select this option if you want to set bayou as your primary
+	  payload.
+
 source "payloads/external/*/Kconfig.name"
 
 endchoice
 
 source "payloads/external/*/Kconfig"
 
+source "payloads/bayou/Kconfig"
+
 config PAYLOAD_FILE
 	string "Payload path and filename"
 	depends on PAYLOAD_ELF