stnolting/neorv32: v1.12.8

What's Changed

• [svd] add fields to UART_DATA by @kurtjd in https://github.com/stnolting/neorv32/pull/1475
• [rtl] renanme bootloader ROM module by @stnolting in https://github.com/stnolting/neorv32/pull/1477
• 🐛 [cpu] fix csrr[r/c][i] instructions by @stnolting in https://github.com/stnolting/neorv32/pull/1479
• ✨ encapsulate memory components by @stnolting in https://github.com/stnolting/neorv32/pull/1481
• ⚠️ rework memory image files by @stnolting in https://github.com/stnolting/neorv32/pull/1482
• ✨ Add replace-by-Verilog example by @stnolting in https://github.com/stnolting/neorv32/pull/1483
• Rework/fix in-console executable upload via UART by @stnolting in https://github.com/stnolting/neorv32/pull/1484
• [sdi] Update docs and svd by @kurtjd in https://github.com/stnolting/neorv32/pull/1485
• 🐛 fix enabling of Zbkx ISA extension by @stnolting in https://github.com/stnolting/neorv32/pull/1486
• [sdi] Fix svd and docs typos by @kurtjd in https://github.com/stnolting/neorv32/pull/1488
• ⚠️ rename Zxcfu ISA extension by @stnolting in https://github.com/stnolting/neorv32/pull/1487
• minor rtl cleanups; improve timing of bus_switch module by @stnolting in https://github.com/stnolting/neorv32/pull/1489
• [top] add option to override default IMEM & DMEM base addresses by @stnolting in https://github.com/stnolting/neorv32/pull/1492
• ⚠️ [top] machine time IRQ typo fix by @stnolting in https://github.com/stnolting/neorv32/pull/1494

Full Changelog: https://github.com/stnolting/neorv32/compare/v1.12.7...v1.12.8