Not documented in the Reference Manuals but found on multiple XMC1100/1202:
Valid ROM table present
Component base address 0xf0000000
Peripheral ID 0x00001c11ed
Designer is 0x0c1, Infineon (Siemens)
Part is 0x1ed, Unrecognized
Component class is 0x1, ROM table
MEMTYPE system memory present on bus
Name it "XMC1000 ROM", since it didn't differ between XMC1100 and XMC1200.