romlib: Add calloc_free register function
romlib: Add calloc_free register function

Register functions have to be added to the
jump table to allow patching in the
future

Change-Id: I57a885f7fc6290ea74a6096aea5b1867b2098eb7
Signed-off-by: Sathees Balya <206160b80afa7e065946a3cc712b175c39a57ebb@arm.com>

achingupta/arm-trusted-firmware,achingupta/arm-trusted-firmware