Hi,

This patch simplifies the initialization of the pstate field as
suggested by Richard Henderson here:

http://sourceware.org/ml/libc-ports/2013-06/msg00001.html

/Marcus

2013-06-28  Marcus Shawcroft  <marcus.shawcroft@linaro.org>

* sysdeps/unix/sysv/linux/aarch64/getcontext.S (__getcontext): Simplify
oPSTATE initialization.