arm/dt: msm8610: move audio routing map into device tree

MTP/CDP supplies primary mic with external bias,
QRD board supplies primary mic with internal1 bias;

Moving the common audio map into device tree will make the single image
work for different boards with different mic bias hardware implementation;

Change-Id: If2f82e7676325ede865c02a363223bbce50ec9d4
Signed-off-by: Walter Yang <quic_yandongy@codeaurora.org>