Matt Hsu <matt@0xlab.org> and Holger Hans Peter Freyther <zecke@selfish.org>...

Matt Hsu <matt@0xlab.org> and Holger Hans Peter Freyther <zecke@selfish.org> Only dap_ap_select when we are going to do a memory access
in the fast reg case.

git-svn-id: svn://svn.berlios.de/openocd/trunk@2636 b42882b7-edfa-0310-969c-e2dbd0fdcd60