msm: board-8960: Change the frequency requested for S4 regulator to 1.6MHz

Change the frequency requested for the PMIC 8921 S4 regulator from
3.2 MHz to 1.6 MHz.  This change matches recommendations from the
PMIC hardware team.

Change-Id: I7ba9e63e9d8d34bd63c32d9fc049e2e4b8404a41
Signed-off-by: David Collins <collinsd@codeaurora.org>
1 file changed