module/cmn_booker: amend CFGM base address calculation
Created by: uarif1
The CFGM base address calculation depends on the number of ports per XP (cross-point).
Signed-off-by: Usama Arif usama.arif@arm.com Change-Id: Iabb9e76b86ee80b345857deb86e9acd4cec5988c