feat(mbedtls): introduce crypto lib heap info struct

Add a struct to store information about the memory location of the heap,
intended for use with cryptographic libraries such as Mbed-TLS.

Change-Id: I42e6bbdbd3a353e01d70fb09b77edeef9498fd98
Signed-off-by: Harrison Mutai <harrison.mutai@arm.com>
1 file changed