nrf_wifi: Update RPU patch to rev#7e794ded14a

UMAC:
    [SHEL-3156]:Offloaded raw TX:Implement regulatory domain UMAC APIs.

PHY:
    [SHEL-3204]:Fix the mismatch between command ID provided by driver
                and used by FW while processing radio_test commands.

Signed-off-by: Praveen Kankipati <[email protected]>

Author: kspraveeen