config.mk.in: ARM now supports dynamic linking with the LLVM backend
config.mk.in: ARM now supports dynamic linking with the LLVM backend

Signed-off-by: Austin Seipp <7ea35d812706d9213868749011af1ed4fa2f6aa0@well-typed.com>
(cherry picked from commit d574fcbba09fd6c9d10a79e19daf5f15bb0a6cde)

hferreiro/replay,hferreiro/replay,lukexi/ghc-7.8-arm64,lukexi/ghc-7.8-arm64,hferreiro/replay,hferreiro/replay,lukexi/ghc-7.8-arm64,hferreiro/replay,lukexi/ghc-7.8-arm64,hferreiro/replay,hferreiro/replay,lukexi/ghc-7.8-arm64