OpenSBI v0.9 Released

[Anup Patel]

Hi All,

The OpenSBI v0.9 is now available on GitHub at:
https://github.com/riscv/opensbi/releases

Few highlights of this release are:
* Lots of fixes and improvements
* Optimized trap handler for both RV32 and RV64
* Domain support for system-level partitioning
* Device tree based domain configuration
* SBI v0.3 SRST extension
* More detailed boot-time prints
* Makefile option to use toolchain default ISA and ABI

Regards,
Anup