boards: st: stm32n6570_dk: increase size ram size of serial boot variant

Increase the RAM size of the SB variant to enable execution of relevant
tests that require at least 172 KB.

This ensures continuous tracking of these tests on CI.


Signed-off-by: Fabrice DJIATSA <[email protected]>

Author: djiatsaf-st

boards/st/stm32n6570_dk/twister.yaml

@@ -1,7 +1,7 @@
 name: STM32N6570 Discovery Kit
 type: mcu
 arch: arm
-ram: 128
+ram: 192
 flash: 512
 vendor: st
 supported: