Remove la_rsync in umi blocks

[aolofsson]

Reset should not be used to gate control signals, this is not good practice from a wakeup/sta perspective. Let's find another solution.

/home/aolofsson/work/zeroasic/umi/umi/umi/rtl/umi_crossbar.v: la_rsync la_rsync(.nrst_out (ready_gated), /home/aolofsson/work/zeroasic/umi/umi/umi/rtl/umi_endpoint.v: la_rsync la_rsync(.nrst_out (ready_gated), /home/aolofsson/work/zeroasic/umi/umi/umi/rtl/umi_fifo_flex.v: la_drsync la_drsync_i (

[azaidy]

Resolved in #173