Change in coreboot[master]: riscv: add suport to check machine length at runtime

[Xiang Wang (Code Review)]

Xiang Wang has uploaded a new patch set (#2). ( https://review.coreboot.org/27770 )

Change subject: riscv: add suport to check machine length at runtime
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riscv: add suport to check machine length at runtime

Highest two bits of misa can be used to check machine length. Add code
to support this.

Change-Id: I3bab301d38ea8aabf2c70437e179287814298b25
Signed-off-by: Xiang Wang 
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M src/arch/riscv/include/arch/cpu.h
1 file changed, 12 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/70/27770/2