pan/bi: Stub out new compiler

Just enough to pipe in the NIR shader.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4061>
diff --git a/src/panfrost/Makefile.sources b/src/panfrost/Makefile.sources
index 1a912a7..93b7418 100644
--- a/src/panfrost/Makefile.sources
+++ b/src/panfrost/Makefile.sources
@@ -1,6 +1,8 @@
 bifrost_FILES := \
         bifrost/bifrost.h \
+        bifrost/bifrost_compile.c \
         bifrost/bifrost_compile.h \
+        bifrost/compiler.h \
         bifrost/cmdline.c \
         bifrost/disassemble.c \
         bifrost/disassemble.h