[UBSan][MIPS] Adding support of MIPS64 in UBSan testing

On mips64 addresses are 40-bit. Where as a 48 bit address is used in TypeCheck/misaligned.cpp.
Using regular expression for that address.

reviewed by : samsonov
submitted by: sagar

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@224242 91177308-0d34-0410-b5e6-96231b3b80d8