Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

Merge branch 'upstream' of git://ftp.linux-mips.org/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  [MIPS] Remove unused galileo-boars header files
  [MIPS] Rename SERIAL_PORT_DEFNS for EV64120
  [MIPS] Add UART IRQ number for EV64120
  [MIPS] Remove excite_flash.c
  [MIPS] Update i8259 resources.
  [MIPS] Make unwind_stack() can dig into interrupted context
  [MIPS] Stacktrace build-fix and improvement
  [MIPS] QEMU: Add support for little endian mips
  [MIPS] Remove __flush_icache_page
  [MIPS] lockdep: update defconfigs
  [MIPS] lockdep: Add STACKTRACE_SUPPORT and enable LOCKDEP_SUPPORT
  [MIPS] lockdep: fix TRACE_IRQFLAGS_SUPPORT