This affects only arm-none-eabi targets and those using t-aprofile in
their multilib lists. The problem here is that when the A12 support
was added, we mistakenly added this to the MULTILIB_MATCHES rule for
the A15 rather than putting out a separate line for this.

Fixed thusly and verified that the correct multilibs are now chosen.


     * config/arm/t-aprofile (MULTILIB_MATCHES): Correct A12 rule.

From-SVN: r208896