fix qdsp6v2/msm-pcm-routing-v2.h header inclusion

Error: compiler is complaining about missing header
Signed-off-by: Alin Jerpelea <alin.jerpelea@sonymobile.com>
MSM8226: DOLBY_DAP dependency fix

warning: (SND_SOC_MSM8226) selects DOLBY_DAP
which has unmet direct dependencies

Signed-off-by: Alin Jerpelea <alin.jerpelea@sonymobile.com>