asoc: rouleur: Enable rouleur codec driver compilation

Add changes to enable compilation for rouleur
codec driver.

Change-Id: I87eefe0c3d9bbe6445391902110fb210c4b0cd5b
Signed-off-by: Aditya Bavanari <abavanar@codeaurora.org>
diff --git a/asoc/codecs/Kbuild b/asoc/codecs/Kbuild
index 1ce059e..7a2cfcd 100644
--- a/asoc/codecs/Kbuild
+++ b/asoc/codecs/Kbuild
@@ -226,6 +226,7 @@
 	obj-y	+= wcd937x/
 	obj-y	+= wcd938x/
 	obj-y	+= bolero/
+	obj-y	+= rouleur/
 endif
 # Module information used by KBuild framework
 obj-$(CONFIG_WCD9XXX_CODEC_CORE) += wcd_core_dlkm.o