For some files under sys/dev/drm2/i915, turn off warnings about unused

DimitryAndric · DimitryAndric · commit 93d5b248f5bc · 2013-12-28T22:35:16.000Z
functions and variables, since they are contributed code.

MFC after:	3 days
diff --git a/sys/modules/drm2/i915kms/Makefile b/sys/modules/drm2/i915kms/Makefile
@@ -38,3 +38,8 @@ SRCS	+= device_if.h fb_if.h bus_if.h pci_if.h iicbus_if.h iicbb_if.h \
 	 opt_drm.h opt_compat.h opt_syscons.h
 
 .include <bsd.kmod.mk>
+
+CWARNFLAGS.i915_debug.c=	-Wno-unused-function
+CWARNFLAGS.intel_lvds.c=	-Wno-unused
+CWARNFLAGS.intel_tv.c=		-Wno-unused
+CWARNFLAGS+=			${CWARNFLAGS.${.IMPSRC:T}}
