ASoC: msm8x16-wcd: Fix cold start headset latency

In internal codec driver, 20ms sleep delay is not
required in cajon and later codec versions as per
qcrg. So avoid the delay to avoid impact to
KPI of cold start input latency.

CRs-Fixed: 957180
Change-Id: I4a5d24899c0866b4d37a347e9c28c38e91a12de2
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>