msm: apq8084: correct gpiomux config for PCIe CLKREQ

The CLKREQ GPIO of PCIe root complex 1 uses function 1, different
from function 2 used by root complex 0. Correct the gpiomux config
for root complex 1 in this change.

Change-Id: I9a0327332da71f612d6904cdf78ffebe018206de
Signed-off-by: Yan He <yanhe@codeaurora.org>