PCI/MSI: Remove unnecessary temporary variable
PCI/MSI: Remove unnecessary temporary variable

The only use of "status" is to hold a value which is immediately returned,
so just return and remove the variable directly.

Signed-off-by: Bjorn Helgaas <f10ec01be0c6b54271af5c550cd257810bdf3268@google.com>
KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs