- s3_sram_memctl: drop superfluous idata_cei=1 in s_write2
- arty_bram/tb/tbrun.yml: retire mem70 - now in tbcpu
- tst_sram.vhd: allow AWIDTH=17; sstat_rbf_awidth instead of _wide
- tcl/tst_sram/*.tcl: 17bit support; use sstat(awidth); add isnarrow
- rtl/vlib/rutil.vhd: added package, with imin helper function