intel/fsp_baytrail: Fix default SMM_TSEG_SIZE value

The value of SMM_TSEG_SIZE was equal to SMM_RESERVED_SIZE. This caused
the install_permanent_handler() function to fail. Changed the value to
0x800000, which is already used as default in smm_region_size() in case
SMM_TSEG_SIZE is 0.

Change-Id: I4ff3568aefd4729a98c1777a2cae2a4715afbc2f
Signed-off-by: David Imhoff <dimhoff_devel@xs4all.nl>
Reviewed-on: http://review.coreboot.org/9961
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
1 file changed