Revert "PCI: qcom: Disable write access to read only registers for IP v2.3.3"

This reverts commit 48e11e7c which is
commit a33d700e upstream.

It was applied to the incorrect function as the original function the
commit changed is not in this kernel branch.

Reported-by: Ben Hutchings <ben@decadent.org.uk>
Link: https://lore.kernel.org/r/f23affddab4d8b3cc07508f2d8735d88d823821d.camel@decadent.org.uk


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>