ArmPkg/PL390GixDxe: Return from the interrupt handler when it is a sporadic interrupt      Sporadic interrupts must not be handled by any interrupt handlers.
ArmPkg/PL390GixDxe: Return from the interrupt handler when it is a sporadic interrupt
    
Sporadic interrupts must not be handled by any interrupt handlers.



git-svn-id: 5648d1bec6962b0a6d1d1b40eba8cf5cdb62da3d@11469 6f19259b-4bc3-4df7-8a09-765794883524

MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2,MattDevo/edk2