Reinitialize dfu_env_entities after flashing the 'SCRIPT' entity to
ensure that the potential changes to the 'dfu_alt_info' environment
variable are applied.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Change-Id: Iad98f348d25ee37fbb7493d4e567d1a4de55dc2c