fpga: improve loads usage information

Current usage information for loads command is too verbose and long for
a command usage prompt. This flag simplifies the text for readability
purposes.

Signed-off-by: Ibai Erkiaga <ibai.erkiaga-elorza@amd.com>
Link: https://lore.kernel.org/r/20250121130138.1999916-3-ibai.erkiaga-elorza@amd.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
1 file changed