i945: Fix resource bases for UMA and TSEG

TSEG appears in memory below graphics UMA region. Seems boards
with i945 had TSEG disabled, so the incorrect order did not make
a difference.

Change-Id: Ie293aab17b60b5f06a871a773cd42577c7dc7c7b
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5891
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>
i945: Fix TSEG size allocation for get_top_of_ram()

Seems boards with i945 had TSEG disabled so this had gone unnoticed.

Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Change-Id: I6a00ea9121847ce2fede22538e1b53a870d761f1
Reviewed-on: http://review.coreboot.org/5892
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>