platform: generic-arm64: Remove reference to HAFNIUM_ARCH am: 5e9696172e

Original change: https://android-review.googlesource.com/c/trusty/lk/trusty/+/3463911

Change-Id: Iaced441a4d78714a846620fbdbe5bbf9df878c0a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

platform/generic-arm64/rules.mk

diff --git a/platform/generic-arm64/rules.mk b/platform/generic-arm64/rules.mk
index 0d115b0..02a82ec 100644
--- a/platform/generic-arm64/rules.mk
+++ b/platform/generic-arm64/rules.mk
@@ -50,8 +50,7 @@
 MODULE_DEPS += dev/interrupt/hafnium
 MODULE_INCLUDES += \
 	external/hafnium/inc/vmapi \
-	external/hafnium/src/arch/$(HAFNIUM_ARCH)/inc \
-
+	external/hafnium/src/arch/aarch64/inc
 else
 MODULE_DEFINES += GIC_VERSION=$(GIC_VERSION)
 MODULE_DEPS += dev/interrupt/arm_gic