Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Infineon/XMC1400/SCU_RESET/RSTSET#0x0
LCKEN=value1
RCU Reset Set Register
Enable Lockup Reset
0 (value1): no effect
1 (value2): Enable reset when Lockup gets asserted
https://github.com/cmsis-svd/cmsis-svd-data