msm: ep_pcie: update pcie parameters

PCIe EP global interrupt may or may not be wake-up
capable as per design. Remove error condition in
case interrupt is not wake-up capable. Update pcie
parameters.

Change-Id: If67bac204f3f126b3e23c379340985ce870ee6c4
Signed-off-by: Tony Truong <truong@codeaurora.org>
Signed-off-by: Rama Krishna Phani A <rphani@codeaurora.org>