PCI: qcom: Replace define with standard value

Lots of define are actually already defined in pci_regs.h, directly use
the standard defines.

Link: https://lore.kernel.org/r/20200615210608.21469-13-ansuelsmth@gmail.com


Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Stanimir Varbanov <svarbanov@mm-sol.com>