soc/intel/common/dmi: Move DMI defines into DMI driver header

Move definitions of DMI control register and Secure Register
Lock (SRL) bit into common/block/dmi driver header file.

BUG=b:171534504

Signed-off-by: Srinidhi N Kaushik <srinidhi.n.kaushik@intel.com>
Change-Id: Iefee818f58f399d4a127662a300b6e132494bad0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48257
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/intel/cannonlake/bootblock/pch.c b/src/soc/intel/cannonlake/bootblock/pch.c
index 8ebfb3d..a05e565 100644
--- a/src/soc/intel/cannonlake/bootblock/pch.c
+++ b/src/soc/intel/cannonlake/bootblock/pch.c
@@ -4,6 +4,7 @@
 #include <device/mmio.h>
 #include <device/device.h>
 #include <device/pci_ops.h>
+#include <intelblocks/dmi.h>
 #include <intelblocks/fast_spi.h>
 #include <intelblocks/gspi.h>
 #include <intelblocks/lpc_lib.h>
@@ -32,9 +33,6 @@
 #define PCR_PSFX_TO_SHDW_PCIEN_IOEN	0x01
 #define PCR_PSFX_T0_SHDW_PCIEN	0x1C
 
-#define PCR_DMI_DMICTL		0x2234
-#define  PCR_DMI_DMICTL_SRLOCK	(1 << 31)
-
 #define PCR_DMI_ACPIBA		0x27B4
 #define PCR_DMI_ACPIBDID	0x27B8
 #define PCR_DMI_PMBASEA		0x27AC