Make creation of CBMEM_ID_RESUME_SCRATCH depending on Agesa

The CBMEM_ID_RESUME_SCRATCH area is only used by Agesa code, on one
particular board (AMD Persimmon). Make the creation of that section
depending on Agesa so it does consume space on non-Agesa systems.

Change-Id: I2a1a4f76991ef936ea68cf75928b20b7ed132b84
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/992
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
1 file changed