samples: suit: flash_companion: disable MRAM latency service

Otherwise NRFS can't be disabled.

Signed-off-by: Gerard Marull-Paretas <[email protected]>

samples/suit/flash_companion/prj.conf

@@ -20,7 +20,8 @@ CONFIG_FLASH=y
 # Disable power management
 CONFIG_PM=n
 
-# Disable NRFS
+# Disable MRAM latency service and NRFS
+CONFIG_SOC_NRF54H20_NO_MRAM_LATENCY=n
 CONFIG_NRFS=n
 
 # Disable unneeded interrupt features