- fix build with separate exception vectors when they are placed too
far from the rest of the kernel
- fix uaccess-related livelock in do_page_fault.
* tag 'xtensa-20210329' of git://github.com/jcmvbkbc/linux-xtensa:
xtensa: fix uaccess-related livelock in do_page_fault
xtensa: move coprocessor_flush to the .text section