fix(tc): increase BL2 maximum size limit

Increase the size of BL2 to build TC2 with GPT support enabled
and a config modification of mbedTLS.

Change-Id: I6d2f466144f2bbffd3387bc40bc86ab733febce1
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
1 file changed