[PATCH 0/1] Add 4 optional build options for riscv arch

Pan Li (1): The riscv spec has breaking change from 2.2 to 20191213. Both ZICSR and ZIFENCEI are separated extension since 20191213. Gcc bump up the riscv spec to 20191213 since 12.x. So add below 4 build option for compatibility::

arch/riscv/Kconfig | 28 ++++++++++++++++++++++++++++ arch/riscv/Makefile | 20 ++++++++++++++++++-- 2 files changed, 46 insertions(+), 2 deletions(-)