tree wide: Rename VBOOT_MEASURED_BOOT* to TPM_MEASURED_BOOT

This follows commit c79e96b4eb which did the rename across the tree
except in these places. Remove the flag from CHROMEOS abuild builds
because it never really belonged there.

Change-Id: If98fa27f64d6b676d3edf68ba6fbaacf7ac422e4
Signed-off-by: Patrick Georgi <patrick@coreboot.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79258
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>

Documentation/mainboard/lenovo/vboot.md

@@ -9,7 +9,7 @@ updates using an A/B partitioning scheme once enabled.
 ## Enabling vboot
 You can enable [vboot] in Kconfig's *Security* section. Besides a verified
 boot you can also enable a measured boot by setting
-`CONFIG_VBOOT_MEASURED_BOOT`. Both options need a working TPM, which is
+`CONFIG_TPM_MEASURED_BOOT`. Both options need a working TPM, which is
 present on all recent Lenovo devices.
 
 ## Updating and recovery