xtensa: move coprocessor_flush to the .text section
xtensa: fix uaccess-related livelock in do_page_fault
xtensa: move CONFIG_CPU_*_ENDIAN defines to Kconfig
xtensa: fix warning comparing pointer to 0
xtensa: fix spelling mistake in Kconfig "wont" -> "won't"
xtensa: remove unneeded export in boot-elf/Makefile
xtensa: stop filling syscall array with sys_ni_syscall
xtensa: syscalls: switch to generic syscalltbl.sh