LinuxKPI: pci.h add more MSI related constanst and pci_is_enabled()
Add more MSI related constansts defined to our native defines and
pci_is_enabled(). All are needed for another wireless driver.
Differential Revision: https://reviews.freebsd.org/D37225
(cherry picked from commit 5f2f582ccceec8729ee85bf191a2f7373c2994a4)