csky: Fixup show_regs doesn't contain regs->usp

Current show_regs didn't display regs->usp and it confused debug.
So fixup wrong SP display and add PT_REGS.

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
This commit is contained in:
Guo Ren 2020-10-29 02:40:37 +00:00
commit 51748e77eb