ARM: dts: msm: fix adie rtc failure

codec node name of pmic codec digital node is not having
_codec in it's name. But ADIE RTC looks for _codec string
while finding sysfs entry to read codec reg and fails.
Fix the issue by renaming the codec node name to have
_codec in the pmic codec name.

Change-Id: Ib875478de943cae1d2c4617fa6911afb9cd08581
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>