benchmarks: Actually build LIBDRM_INTEL_BENCHMARKS

Adding LIBDRM_INTEL_BENCHMARKS into benchmarks_PROGRAMS had a tab
before the assignment, making the line be inserted into the Makefile
as is instead of being evaluated by automake.

Signed-off-by: Petri Latvala <petri.latvala@intel.com>
Reviewed-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
1 file changed