[ARM] additionally check for ARM::INLINEASM_BR w/ ARM::INLINEASM

Summary:
We were observing failures for arm32 allyesconfigs of the Linux kernel
with the asm goto Clang patch, where ldr's were being generated to
offsets too far away to encode in imm12.

It looks like since INLINEASM_BR was created off of INLINEASM, a few
checks for INLINEASM needed to be updated to check for either case.

pr/41999

Link: https://github.com/ClangBuiltLinux/linux/issues/490

Reviewers: peter.smith, kristof.beyls, ostannard, rengolin, t.p.northover

Reviewed By: peter.smith

Subscribers: jyu2, javed.absar, hiraditya, llvm-commits, nathanchance, craig.topper, kees, srhines

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D62400

llvm-svn: 361659