feat(interrupts): support for parsing interrupt ..

properties node from manifest and populating the interrupt descriptor
structure per VM.

Change-Id: I17f6dcd5d4af6eb37f1bb64770052fd6e8f23542
Signed-off-by: Madhukar Pappireddy <madhukar.pappireddy@arm.com>
diff --git a/inc/hf/manifest.h b/inc/hf/manifest.h
index 0a02756..800d2d2 100644
--- a/inc/hf/manifest.h
+++ b/inc/hf/manifest.h
@@ -79,6 +79,8 @@
 	uint32_t attributes;
 	/** List of physical interrupt ID's and their attributes - optional */
 	struct interrupt interrupts[SP_MAX_INTERRUPTS_PER_DEVICE];
+	/** Count of physical interrupts - optional */
+	uint8_t interrupt_count;
 	/** SMMU ID - optional */
 	uint32_t smmu_id;
 	/** Count of Stream IDs assigned to device - optional */