fixfvp): fix firmware update debug build config failure

Fixed FVP's FWU debug build config failure by increasing the SRAM
size.

Change-Id: If1c33c0da6021a71afc20b5fe846b8337ecc0e61
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
1 file changed