soc: qcom: sdx_ext_ipc: Change GPIO configuration

Changing GPIO output value is not reflecting. Change GPIO pull up
configuration from pull up to no pull to reflect state change.

Change-Id: Iac636b9b601b9819ee7aac2118c1af3b0f864e86
Signed-off-by: Prasanna Kumar Thoorvas Samyrao Muralidharan <ptsm@codeaurora.org>