v3d: Fix automake linking error.

v3d: Fix automake linking error.

  CXXLD    gallium_dri.la
../../../../src/broadcom/.libs/libbroadcom.a(clif_dump.o): In function `clif_dump_packet':
src/broadcom/clif/clif_dump.c:87: undefined reference to `v3d33_clif_dump_packet'
src/broadcom/clif/clif_dump.c:85: undefined reference to `v3d41_clif_dump_packet'
../../../../src/broadcom/.libs/libbroadcom.a(clif_dump.o): In function `clif_process_worklist':
src/broadcom/clif/clif_dump.c:140: undefined reference to `v3d41_clif_dump_gl_shader_state_record'
src/broadcom/clif/clif_dump.c:144: undefined reference to `v3d33_clif_dump_gl_shader_state_record'

Signed-off-by: Vinson Lee <vlee@freedesktop.org>
Reviewed-by: Eric Anholt <eric@anholt.net>