[S] Change in coreboot[main]: arch/riscv: add Kconfig variable RISCV_SOC_HAS_MENVCFG

[ron minnich (Code Review)]

Attention is currently required from: Martin L Roth, Maximilian Brune, Patrick Georgi, Philipp Hug.

Hello Martin L Roth, Maximilian Brune, Patrick Georgi, Philipp Hug, build bot (Jenkins),

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/81410?usp=email

to look at the new patch set (#5).

The following approvals got outdated and were removed:
Verified+1 by build bot (Jenkins)

Change subject: arch/riscv: add Kconfig variable RISCV_SOC_HAS_MENVCFG
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arch/riscv: add Kconfig variable RISCV_SOC_HAS_MENVCFG

Older parts do not have the menvcfg csr.
Provide a Kconfig variable, default y, to enable it.
Check the variable in the payload code, when coreboot SBI
is used, and print out if it is enabled.

Add constants for this new CSR.

Signed-off-by: Ronald G Minnich

Change-Id: I627dde377708cde2491d4abe625c482d64f7aa87
---
M src/arch/riscv/Kconfig
M src/arch/riscv/include/arch/encoding.h
2 files changed, 14 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/10/81410/5