soc/intel/alderlake: Set max Pkg C-states to Auto

This patch configures max Pkg C-state to Auto which limits the max
C-state to deep C-state

Signed-off-by: V Sowmya <v.sowmya@intel.com>
Change-Id: Iab92eaadad3f17ed8dddc4f383d6eeaab8c9ea6e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55706
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>

src/soc/intel/alderlake/fsp_params.c

@@ -533,6 +533,7 @@ static void fill_fsps_misc_power_params(FSP_S_CONFIG *s_cfg,
 	s_cfg->PsOnEnable = 1;
 	/* Enable the energy efficient turbo mode */
 	s_cfg->EnergyEfficientTurbo = 1;
+	s_cfg->PkgCStateLimit = LIMIT_AUTO;
 }
 
 static void fill_fsps_irq_params(FSP_S_CONFIG *s_cfg,