ARM: dts: msm: Update RCLK delay to 1ns

Update the RCLK delay to 1ns and CXO as the clock to switch delay
cells. With present 0.9ns delay, observing data timeout issues on sdm439.

Change-Id: I6eeadbebd3bc616be12172c57dd6f06fa8ccb02b
Signed-off-by: Veerabhadrarao Badiganti <vbadigan@codeaurora.org>