Update the libc internal dl-procinfo with the new HWCAP flags.

Follow up to commit 512d245bc30cca893db6979f42f058e734f345c3.

2017-07-19  Szabolcs Nagy  <szabolcs.nagy@arm.com>

	* sysdeps/unix/sysv/linux/aarch64/dl-procinfo.c:
	(_dl_aarch64_cap_flags): Update.
	* sysdeps/unix/sysv/linux/aarch64/dl-procinfo.h
	(_DL_HWCAP_COUNT, _DL_HWCAP_LAST): Update.