vendorcode/intel/fsp: Expose DisableDynamicTccoldHandshake

Expose DisableDynamicTccoldHandshake in header so that
coreboot can disable it.

BUG=b:221461379
BRANCH=firmware-brya-14505.B
TEST=Boot to OS, check UPD value in debug FSP build.

Signed-off-by: Bora Guvendik <bora.guvendik@intel.com>
Change-Id: I0d953f37a2f0dac58fd339e3fe0dc847d5e6d892
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72693
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Reviewed-by: Jérémy Compostella <jeremy.compostella@intel.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/vendorcode/intel/fsp/fsp2_0/raptorlake/FspmUpd.h

@@ -407,9 +407,11 @@ typedef struct {
 **/
   UINT8                       PchHdaAudioLinkDmicClockSelect[2];
 
-/** Offset 0x019A - Reserved
+/** Offset 0x019A - Disable Tccold Handshake
+  Disable Tccold Handshake. <b>0: Do Nothing;</b> 1: Disable
+  $EN_DIS
 **/
-  UINT8                       Reserved1;
+  UINT8                       DisableDynamicTccoldHandshake;
 
 /** Offset 0x019B - Reserved
 **/