arm_adi_v5: Add part numbers for Infineon XMC4000 family

arm_adi_v5: Add part numbers for Infineon XMC4000 family

This was found on multiple XMC4500:

	Valid ROM table present
		Component base address 0xe00ff000
		Peripheral ID 0x00001c11db
		Designer is 0x0c1, Infineon (Siemens)
		Part is 0x1db, Unrecognized
		Component class is 0x1, ROM table
		MEMTYPE system memory present on bus

On multiple XMC4700 and an XMC4800 this was found instead:

	Valid ROM table present
		Component base address 0xe00ff000
		Peripheral ID 0x00001c11df
		Designer is 0x0c1, Infineon (Siemens)
		Part is 0x1df, Unrecognized
		Component class is 0x1, ROM table
		MEMTYPE system memory present on bus

Name them "XMC4500 ROM" and "XMC4700/4800 ROM" respectively.

Change-Id: If369a6d16524004ba439b878f090a313a9f3a760
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-on: http://openocd.zylin.com/3482
Tested-by: jenkins
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>