sim-se: Fixed initialization array size

Doubled the size of the zeroed auxiliary vector since 2 * intSize on
aarch64 > sizeof(uint64).

Change-Id: I5196b000a696e9ea3f2b5daa5d5bb071794369aa
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/17088
Reviewed-by: Ciro Santilli <ciro.santilli@arm.com>
Maintainer: Brandon Potter <Brandon.Potter@amd.com>

src/arch/arm/process.cc

diff --git a/src/arch/arm/process.cc b/src/arch/arm/process.cc
index bc44959..ba9fbfa 100644
--- a/src/arch/arm/process.cc
+++ b/src/arch/arm/process.cc
@@ -442,10 +442,10 @@
                               (uint8_t*)&(auxv[x].getAuxVal()),
                               intSize);
     }
-    //Write out the terminating zeroed auxilliary vector
-    const uint64_t zero = 0;
+    //Write out the terminating zeroed auxillary vector
+    const IntType zero[2] = {0, 0};
     initVirtMem.writeBlob(auxv_array_base + 2 * intSize * auxv.size(),
-            (uint8_t*)&zero, 2 * intSize);
+            (uint8_t*)zero, 2 * intSize);
 
     copyStringArray(envp, envp_array_base, env_data_base, initVirtMem);
     copyStringArray(argv, argv_array_base, arg_data_base, initVirtMem);