CI: https://source.denx.de/u-boot/custodians/u-boot-riscv/-/pipelines/29497 - sifive: switch to OF_UPSTREAM - driver: cache: Remove SiFive PL2 driver - riscv: fixes for non-existent CONFIG
CI: https://source.denx.de/u-boot/custodians/u-boot-riscv/-/pipelines/29497 - sifive: switch to OF_UPSTREAM - driver: cache: Remove SiFive PL2 driver - riscv: fixes for non-existent CONFIG