configs/config.lenovo_t400_vboot_and_debug: Move PT lower

Bootblock gets too big, so move the RO page table downwards.

Change-Id: I3f72d1639478eaaac09d7cfb3408944ac76307c4
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74219
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/configs/config.lenovo_t400_vboot_and_debug b/configs/config.lenovo_t400_vboot_and_debug
index 39c17e6..f79d773 100644
--- a/configs/config.lenovo_t400_vboot_and_debug
+++ b/configs/config.lenovo_t400_vboot_and_debug
@@ -13,3 +13,4 @@
 CONFIG_H8_FN_KEY_AS_VBOOT_RECOVERY_SW=y
 CONFIG_VBOOT=y
 CONFIG_USE_EXP_X86_64_SUPPORT=y
+CONFIG_ARCH_X86_64_PGTBL_LOC=0xfffe8000