Update to v3.18.18 kernel headers.

Change-Id: I76cc04c2267ef904ef8e18acdab72be4c4da4523
diff --git a/original/uapi/asm-arm/asm/kvm.h b/original/uapi/asm-arm/asm/kvm.h
index 09ee408..b404cf8 100644
--- a/original/uapi/asm-arm/asm/kvm.h
+++ b/original/uapi/asm-arm/asm/kvm.h
@@ -193,8 +193,14 @@
 #define KVM_ARM_IRQ_CPU_IRQ		0
 #define KVM_ARM_IRQ_CPU_FIQ		1
 
-/* Highest supported SPI, from VGIC_NR_IRQS */
+/*
+ * This used to hold the highest supported SPI, but it is now obsolete
+ * and only here to provide source code level compatibility with older
+ * userland. The highest SPI number can be set via KVM_DEV_ARM_VGIC_GRP_NR_IRQS.
+ */
+#ifndef __KERNEL__
 #define KVM_ARM_IRQ_GIC_MAX		127
+#endif
 
 /* PSCI interface */
 #define KVM_PSCI_FN_BASE		0x95c1ba5e