Use tool from INSTALL variable to create directory instead of mkdir to
be compatible with other cross-compilation buildsystems (like Yocto).
Signed-off-by: Maciej Gabryelski <maciej.gabryelski@3mdeb.com>
Change-Id: I0b0949d07baae1ae1d7b22ac3d0b8913f81d89c1
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70104
Reviewed-by: Michał Żygowski <michal.zygowski@3mdeb.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>