[PATCH v2 0/2] riscv: allow case-insensitive ISA string parsing

[Yangyu Chen]

Sorry for the cover letter being detached with patches. My mailing
service provider will override the Message-IDs which caused this 
trouble. I will send the cover letter first to get the correct Message-ID
before sending the rest of the patches the next time.

The cover letter is at https://lore.kernel.org/linux-riscv/tencent_8492B68063042E768C758871A3171FBD2006@qq.com/
The patches is at https://lore.kernel.org/linux-riscv/tencent_85F69423082E524C478844E31D5F8920A506@qq.com/