scripts: Add makefile for win-arm64

This makefile is based on makefile.vcwin32, but includes Neon
intrinsic optimization.

Co-authored-by: Gabor Kertesz <gabor.kertesz@linaro.org>
Co-authored-by: Cosmin Truta <ctruta@gmail.com>
Signed-off-by: Cosmin Truta <ctruta@gmail.com>
1 file changed