lima: Fix build with GCC 10.

lima: Fix build with GCC 10.

This patch fixes this build error with GCC 10.

/usr/bin/ld: src/gallium/drivers/lima/liblima.a(lima_context.c.o):src/gallium/drivers/lima/lima_util.h:32: multiple definition of `lima_dump_command_stream'; src/gallium/drivers/lima/liblima.a(lima_screen.c.o):src/gallium/drivers/lima/lima_util.h:32: first defined here
/usr/bin/ld: src/gallium/drivers/lima/liblima.a(lima_resource.c.o):src/gallium/drivers/lima/lima_util.h:32: multiple definition of `lima_dump_command_stream'; src/gallium/drivers/lima/liblima.a(lima_screen.c.o):src/gallium/drivers/lima/lima_util.h:32: first defined here
/usr/bin/ld: src/gallium/drivers/lima/liblima.a(lima_draw.c.o):src/gallium/drivers/lima/lima_util.h:32: multiple definition of `lima_dump_command_stream'; src/gallium/drivers/lima/liblima.a(lima_screen.c.o):src/gallium/drivers/lima/lima_util.h:32: first defined here
/usr/bin/ld: src/gallium/drivers/lima/liblima.a(lima_bo.c.o):src/gallium/drivers/lima/lima_util.h:32: multiple definition of `lima_dump_command_stream'; src/gallium/drivers/lima/liblima.a(lima_screen.c.o):src/gallium/drivers/lima/lima_util.h:32: first defined here
/usr/bin/ld: src/gallium/drivers/lima/liblima.a(lima_submit.c.o):src/gallium/drivers/lima/lima_util.h:32: multiple definition of `lima_dump_command_stream'; src/gallium/drivers/lima/liblima.a(lima_screen.c.o):src/gallium/drivers/lima/lima_util.h:32: first defined here
/usr/bin/ld: src/gallium/drivers/lima/liblima.a(lima_util.c.o):src/gallium/drivers/lima/lima_util.h:32: multiple definition of `lima_dump_command_stream'; src/gallium/drivers/lima/liblima.a(lima_screen.c.o):src/gallium/drivers/lima/lima_util.h:32: first defined here
/usr/bin/ld: src/gallium/drivers/lima/liblima.a(lima_texture.c.o):src/gallium/drivers/lima/lima_util.h:32: multiple definition of `lima_dump_command_stream'; src/gallium/drivers/lima/liblima.a(lima_screen.c.o):src/gallium/drivers/lima/lima_util.h:32: first defined here

Fixes: d71cd245d744 ("lima: Rotate dump files after each finished pp frame")
Signed-off-by: Vinson Lee <vlee@freedesktop.org>
Reviewed-by: Qiang Yu <yuq825@gmail.com>