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* `V`: Verbose build. If assigned anything other than 0, the build commands
are printed. Default is 0
+* `FVP_GIC_ARCH`: Choice of ARM GIC architecture version used by the FVP port
+ for implementing the platform GIC API. This API is used by the interrupt
+ management framework. Default is 2 i.e. version 2.0
+
+* `IMF_READ_INTERRUPT_ID`: Boolean flag used by the interrupt management
+ framework to enable passing of the interrupt id to its handler. The id is
+ read using a platform GIC API. `INTR_ID_UNAVAILABLE` is passed instead if
+ this option set to 0. Default is 0.
+
### Creating a Firmware Image Package
FIPs are automatically created as part of the build instructions described in