nrf_wifi: Update RPU patch to rev#45d2c5dfda2

UMAC:
   [SHEL-2084] : Retrieval of stats even when RPU is locked up.
   [SHEL-3432] : Kconfig Support for Power Save Mode
                 switching and STBC RX.
   Allow Setting MAC Address via Init Command in Radio/RF
   test modes.
   RPU patch version update to 1.2.14.0 for release 3.0.0.

LMAC:
   Option to enable qos null based power save at runtime.
   Enable watchdog in cold boot and pulled fixes from wezen
   related ack processing.
   [SHEL-2084] : Debug stats updation.

PHY:
   Remove SWCTRL1 configuration from firmware.

Signed-off-by: Karun Kumar Eagalapati <[email protected]>

Author: karun2796