tty: serial: msm_geni_serial : Change AB voting for console used SE

This patch is to change the AB value of the core clocks for console
use case. Console doesn't need to run at higher AB vote, it causes
power regression when system is running at SVS.

Change-Id: I5bfdb5966da12b9473f437ee75cea361db330f0c
Signed-off-by: Mukesh Kumar Savaliya <msavaliy@codeaurora.org>