ddr: altera: Clean up rw_mgr_mem_calibrate_vfifo_find_dqs_en_phase_sweep_dq_in_delay() part 2

The read_group and write_group params have the same value for all (one)
invocations of this function, just merge them into a single param.

Signed-off-by: Marek Vasut <marex@denx.de>
1 file changed