ASoC: sa6155: add quin tdm dai links and update pinctrl

Add Quinary TDM TX 7 to RX 7 AFE loopback routing
support for SA6155.
Enable pinctrl configuration only for TERT/QUAT/
QUIN TDM interfaces. SEC TDM intf is not used.

Change-Id: Ia80436722a929ad7d072a97c7007683b528993d8
Signed-off-by: Derek Chen <chenche@codeaurora.org>