test/py: test_efi_loader: add HTTP (wget) test for the EFI loader

Add a test to test_efi_loader.py similar to the TFTP test but for HTTP
with the wget command.

Suggested-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Tested-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Peter Robinson <pbrobinson@gmail.com>
1 file changed