ARM: dts: msm: remove the dtest configuration for qpdi on msm8953

Remove the DIG_IN_CTL = DTEST1 configuration as it is leading to another
problem where PMIC's internal SLEEP_B signal was also previously
connected to DTEST1 and this shorts both signals creating 0.3mA extra
RBSC.

Change-Id: Id57090ae160bd28c9d837a2f25423201308a01b6
Signed-off-by: Charan Teja Reddy <charante@codeaurora.org>