gallium/trace: ship all files in the tarball

- include all headers in Makefile.sources
 - bundle the scons buildscript, README and trace.xsl

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Acked-by: Matt Turner <mattst88@gmail.com>

src/gallium/drivers/trace/Makefile.am

@@ -7,3 +7,7 @@ AM_CFLAGS = \
 noinst_LTLIBRARIES = libtrace.la
 
 libtrace_la_SOURCES = $(C_SOURCES)
+
+EXTRA_DIST = SConscript \
+	README \
+	trace.xsl

src/gallium/drivers/trace/Makefile.sources

@@ -1,6 +1,13 @@
 C_SOURCES := \
 	tr_context.c \
+	tr_context.h \
 	tr_dump.c \
+	tr_dump_defines.h \
+	tr_dump.h \
 	tr_dump_state.c \
+	tr_dump_state.h \
+	tr_public.h \
 	tr_screen.c \
-	tr_texture.c
+	tr_screen.h \
+	tr_texture.c \
+	tr_texture.h