AArch64: Linker64 support for AArch64

Addition of support for AArch64 in the linker64 target.

Change-Id: I8dfd9711278f6706063e91f626b6007ea7a3dd6e
Signed-off-by: Marcus Oakland <marcus.oakland@arm.com>
diff --git a/linker/debugger.cpp b/linker/debugger.cpp
index 29afab1..92e9dac 100644
--- a/linker/debugger.cpp
+++ b/linker/debugger.cpp
@@ -92,7 +92,7 @@
         return -1;
     }
 
-    int err = TEMP_FAILURE_RETRY(connect(s, (sockaddr*) &addr, alen));
+    int err = TEMP_FAILURE_RETRY(connect(s, reinterpret_cast<sockaddr*>(&addr), alen));
     if (err == -1) {
         close(s);
         s = -1;