[MSP430] Fix data layout string.

Summary:
Without this patch some types have incorrect size and/or alignment
according to the MSP430 EABI.

Reviewers: asl, awygle

Reviewed By: asl

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D34561

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@306159 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed