This series does few improvements to SBI HSM documentation and adds
SBI HSM suspend call.

Changes since v3:
- Minor typo fixes in platform-coordinated and OS-initiated approaches
- Made suspend_type paramter as uint32_t for SBI HSM suspend function

Changes since v2:
- Added detailed information about platform-coordinated and
OS-initiated approaches for utilizing low-power states at
higher topology groups (namely cores, clusters, nodes, etc)

Changes since v1:
- Split the original patch into two patches
- Addressed nit comments from Atish

Anup Patel (2):
Improve HSM documentation for addition of HSM suspend function
Add HSM hart suspend function

riscv-sbi-hsm.ditaa | 40 ++++---
riscv-sbi-hsm.png | Bin 16836 -> 31264 bytes
riscv-sbi-theme.yml | 3 +
riscv-sbi.adoc | 257 ++++++++++++++++++++++++++++++++++----------
4 files changed, 228 insertions(+), 72 deletions(-)

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2.25.1