QCA: Enable board reset after crashdump to flash

Added board reset command after crashdump to flash. Also,
updated with valid return values in do_dumpqca_flash_data function.

Change-Id: Ib89ee06cd6e34c0a56090284983534f107c97ea7
Signed-off-by: Gokul Sriram Palanisamy <gokulsri@codeaurora.org>
2 files changed