meteorlake: Rename `SOC_INTEL_METEORLAKE_U_P` as per latest EDS

This patch renames config `SOC_INTEL_METEORLAKE_U_P` to
`SOC_INTEL_METEORLAKE_U_H` as per Intel Meteor Lake Processor EDS
version 1.3.1 (doc number: 640228).

With new branding, the MTL-U/H-Processor Line offered in a 1-chip platform that includes the Compute, SOC, GT, and IOE tile on the
same package.

Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: I032be650bbfef0bf0ef86bb37417b1d854303501
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75931
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Jakub Czapiga <jacz@semihalf.com>
diff --git a/src/mainboard/google/rex/Kconfig b/src/mainboard/google/rex/Kconfig
index 0fb4176..407cccc 100644
--- a/src/mainboard/google/rex/Kconfig
+++ b/src/mainboard/google/rex/Kconfig
@@ -39,7 +39,7 @@
 	select HAVE_SLP_S0_GATE
 	select MAINBOARD_HAS_CHROMEOS
 	select MEMORY_SOLDERDOWN
-	select SOC_INTEL_METEORLAKE_U_P
+	select SOC_INTEL_METEORLAKE_U_H
 	select SOC_INTEL_ENABLE_USB4_PCIE_RESOURCES
 	select SYSTEM_TYPE_LAPTOP
 	select TPM_GOOGLE_TI50