drivers: add msm ti_dc serial driver

Change-Id: I6c35815e0d234cc2e963cd9ff7546d2a74ae34a4
misc: pull ti-st from msm8660-common kernel

Change-Id: I6c5c3fff21c5493697475561d82552118b3ae341
wl12xx: fix makefile for htc devices

 * in msm8660-common these components are commented out,
   lets just ifneq them instead

Change-Id: Id415af8025452d5f09b03b06c314303f0acee827
staging: add ti-st fm driver

Change-Id: Idc8d7871d6148ab30dfc925b65252bff6b0bf431
ruby: board updated for ti-st changes

Change-Id: I795d4dc3ff2e09701463e3d70b06285c89d48bf1
ruby: add modem file

 * currently a stock caf one. still need to add htc features

Change-Id: I8263dc497ad8ca843a10194db2b421169db5e9fc